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Hero + suffix","hidden":false,"hero":false,"slider":{"min":48,"max":84,"step":1},"value":70},{"text":"weight_kg = weight * 0.453592 // @hidden","label":null,"prefix":null,"suffix":null,"section":"1. Hero + suffix","hidden":true,"hero":false,"slider":null,"value":81.64656},{"text":"height_m = height * 0.0254 // @hidden","label":null,"prefix":null,"suffix":null,"section":"1. Hero + suffix","hidden":true,"hero":false,"slider":null,"value":1.778},{"text":"body mass index = weight_kg / (height_m^2) // @hero @label(BMI) @suffix(kg/m²)","label":"BMI","prefix":null,"suffix":null,"section":"1. Hero + suffix","hidden":false,"hero":true,"slider":null,"value":25.82702471527392},{"text":"# 2. Prefix + suffix","label":null,"prefix":null,"suffix":null,"section":"2. Prefix + suffix","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$annual income = $80000 // 20000..200000 by 1000","label":null,"prefix":"$","suffix":null,"section":"2. Prefix + suffix","hidden":false,"hero":false,"slider":{"min":20000,"max":200000,"step":1000},"value":80000},{"text":"$annual expenses = $45000 // 10000..150000 by 1000","label":null,"prefix":"$","suffix":null,"section":"2. Prefix + suffix","hidden":false,"hero":false,"slider":{"min":10000,"max":150000,"step":1000},"value":45000},{"text":"$annual savings = annual_income - annual_expenses","label":null,"prefix":"$","suffix":null,"section":"2. Prefix + suffix","hidden":false,"hero":false,"slider":null,"value":35000},{"text":"# 3. Hidden + advanced","label":null,"prefix":null,"suffix":null,"section":"3. Hidden + advanced","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$compound seed = 100000 // @hidden","label":null,"prefix":"$","suffix":null,"section":"3. Hidden + advanced","hidden":true,"hero":false,"slider":null,"value":100000},{"text":"return rate = 7 // % 1..15 @advanced","label":null,"prefix":null,"suffix":"%","section":"3. Hidden + advanced","hidden":false,"hero":false,"slider":{"min":1,"max":15,"step":0.2},"value":7},{"text":"years = 30 // 1..50 @advanced","label":null,"prefix":null,"suffix":null,"section":"3. Hidden + advanced","hidden":false,"hero":false,"slider":{"min":1,"max":50,"step":0.5},"value":30},{"text":"# 4. Long suffix — phrase","label":null,"prefix":null,"suffix":null,"section":"4. Long suffix — phrase","hidden":false,"hero":false,"slider":null,"value":null},{"text":"billable rate = 150 // dollars per hour","label":null,"prefix":null,"suffix":"dollars per hour","section":"4. Long suffix — phrase","hidden":false,"hero":false,"slider":null,"value":150},{"text":"output capacity = 145 // cubic feet per minute","label":null,"prefix":null,"suffix":"cubic feet per minute","section":"4. Long suffix — phrase","hidden":false,"hero":false,"slider":null,"value":145},{"text":"monthly burn = 28500 // dollars per month","label":null,"prefix":null,"suffix":"dollars per month","section":"4. Long suffix — phrase","hidden":false,"hero":false,"slider":null,"value":28500},{"text":"# 5. Hint-shaped suffix","label":null,"prefix":null,"suffix":null,"section":"5. Hint-shaped suffix","hidden":false,"hero":false,"slider":null,"value":null},{"text":"sex = 1 // 1 for male, 0 for female","label":null,"prefix":null,"suffix":"1 for male, 0 for female","section":"5. Hint-shaped suffix","hidden":false,"hero":false,"slider":null,"value":1},{"text":"material factor = 0.15 // Hard cheese: 0.1, Soft: 0.2","label":null,"prefix":null,"suffix":"Hard cheese: 0.1, Soft: 0.2","section":"5. Hint-shaped suffix","hidden":false,"hero":false,"slider":null,"value":0.15},{"text":"scope ratio = 7 // 7:1 is standard for overnight anchoring","label":null,"prefix":null,"suffix":"7:1 is standard for overnight anchoring","section":"5. Hint-shaped suffix","hidden":false,"hero":false,"slider":null,"value":7},{"text":"beam stress = 30000 // psi (steel)","label":null,"prefix":null,"suffix":"psi (steel)","section":"5. Hint-shaped suffix","hidden":false,"hero":false,"slider":null,"value":30000},{"text":"# 6. Note decorator","label":null,"prefix":null,"suffix":null,"section":"6. Note decorator","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$shipping cost = 9.99 // @note(Free over $50)","label":null,"prefix":"$","suffix":null,"section":"6. Note decorator","hidden":false,"hero":false,"slider":null,"value":9.99},{"text":"$tax rate = 8.25 // @suffix(%) @note(Varies by ZIP — verify before checkout)","label":null,"prefix":"$","suffix":null,"section":"6. Note decorator","hidden":false,"hero":false,"slider":null,"value":8.25},{"text":"# 7. Tooltip","label":null,"prefix":null,"suffix":null,"section":"7. Tooltip","hidden":false,"hero":false,"slider":null,"value":null},{"text":"sample size = 30 // @tooltip(Larger samples reduce confidence interval width)","label":null,"prefix":null,"suffix":null,"section":"7. Tooltip","hidden":false,"hero":false,"slider":null,"value":30},{"text":"confidence = 95 // % @tooltip(Standard for academic publication)","label":null,"prefix":null,"suffix":"%","section":"7. Tooltip","hidden":false,"hero":false,"slider":null,"value":95},{"text":"# 8. Section + nested subsection","label":null,"prefix":null,"suffix":null,"section":"8. Section + nested subsection","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# Group A — Inputs","label":null,"prefix":null,"suffix":null,"section":"Group A — Inputs","hidden":false,"hero":false,"slider":null,"value":null},{"text":"group_a_input_1 = 10","label":null,"prefix":null,"suffix":null,"section":"Group A — Inputs","hidden":false,"hero":false,"slider":null,"value":10},{"text":"group_a_input_2 = 20","label":null,"prefix":null,"suffix":null,"section":"Group A — Inputs","hidden":false,"hero":false,"slider":null,"value":20},{"text":"## Subsection","label":null,"prefix":null,"suffix":null,"section":"Subsection","hidden":false,"hero":false,"slider":null,"value":null},{"text":"nested_value = group_a_input_1 + group_a_input_2","label":null,"prefix":null,"suffix":null,"section":"Subsection","hidden":false,"hero":false,"slider":null,"value":30},{"text":"# 9. Collapsed section","label":null,"prefix":null,"suffix":null,"section":"9. Collapsed section","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# Advanced settings @collapsed","label":null,"prefix":null,"suffix":null,"section":"Advanced settings","hidden":false,"hero":false,"slider":null,"value":null},{"text":"fudge factor = 1.05","label":null,"prefix":null,"suffix":null,"section":"Advanced settings","hidden":false,"hero":false,"slider":null,"value":1.05},{"text":"overhead = 0.12","label":null,"prefix":null,"suffix":null,"section":"Advanced settings","hidden":false,"hero":false,"slider":null,"value":0.12},{"text":"margin = 0.25","label":null,"prefix":null,"suffix":null,"section":"Advanced settings","hidden":false,"hero":false,"slider":null,"value":0.25},{"text":"# 10. Accent row","label":null,"prefix":null,"suffix":null,"section":"10. Accent row","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$emergency reserve = 50000 // @accent @label(Emergency reserve)","label":"Emergency reserve","prefix":"$","suffix":null,"section":"10. Accent row","hidden":false,"hero":false,"slider":null,"value":50000},{"text":"# 11. Readonly","label":null,"prefix":null,"suffix":null,"section":"11. Readonly","hidden":false,"hero":false,"slider":null,"value":null},{"text":"constant_pi = 3.14159 // @readonly","label":null,"prefix":null,"suffix":null,"section":"11. Readonly","hidden":false,"hero":false,"slider":null,"value":3.14159},{"text":"# 12. Slider min..max syntax (inline range)","label":null,"prefix":null,"suffix":null,"section":"12. Slider min..max syntax (inline range)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"slider quick = 50 // 0..100 by 5","label":null,"prefix":null,"suffix":null,"section":"12. Slider min..max syntax (inline range)","hidden":false,"hero":false,"slider":{"min":0,"max":100,"step":5},"value":50},{"text":"slider with units = 250 // ml 0..1000 by 25","label":null,"prefix":null,"suffix":"ml","section":"12. Slider min..max syntax (inline range)","hidden":false,"hero":false,"slider":{"min":0,"max":1000,"step":25},"value":250},{"text":"# 13. Dropdown","label":null,"prefix":null,"suffix":null,"section":"13. Dropdown","hidden":false,"hero":false,"slider":null,"value":null},{"text":"plan = {price: 9, name: 'Hobby'} // @label(Plan) dropdown({Hobby: {price: 9, name: 'Hobby'}, Pro: {price: 29, name: 'Pro'}, Team: {price: 99, name: 'Team'}})","label":"Plan","prefix":null,"suffix":null,"section":"13. Dropdown","hidden":false,"hero":false,"slider":null,"value":{"price":9,"name":"Hobby"}},{"text":"$plan price = plan.price // @label(Selected price) @prefix($)","label":"Selected price","prefix":"$","suffix":null,"section":"13. Dropdown","hidden":false,"hero":false,"slider":null,"value":9},{"text":"# 14. Toggle","label":null,"prefix":null,"suffix":null,"section":"14. Toggle","hidden":false,"hero":false,"slider":null,"value":null},{"text":"includes_premium = false // @label(Premium add-on) toggle()","label":"Premium add-on","prefix":null,"suffix":null,"section":"14. Toggle","hidden":false,"hero":false,"slider":null,"value":false},{"text":"$base price = 49.99 // @prefix($)","label":null,"prefix":"$","suffix":null,"section":"14. Toggle","hidden":false,"hero":false,"slider":null,"value":49.99},{"text":"$total = base_price + (includes_premium ? 20 : 0) // @hero @label(Total) @prefix($)","label":"Total","prefix":"$","suffix":null,"section":"14. Toggle","hidden":false,"hero":true,"slider":null,"value":49.99},{"text":"# 15. @icon on row","label":null,"prefix":null,"suffix":null,"section":"15. on row","hidden":false,"hero":false,"slider":null,"value":null},{"text":"fuel = 12.5 // @icon(droplet) gal","label":null,"prefix":null,"suffix":"gal","section":"15. on row","hidden":false,"hero":false,"slider":null,"value":12.5},{"text":"distance = 320 // @icon(map-pin) mi","label":null,"prefix":null,"suffix":"mi","section":"15. on row","hidden":false,"hero":false,"slider":null,"value":320},{"text":"# 16. Calc title @icon + @category in the first heading at the top of this file","label":null,"prefix":null,"suffix":null,"section":"16. Calc title + in the first heading at the top of this file","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 17. Layout: grid (peer outputs)","label":null,"prefix":null,"suffix":null,"section":"17. Layout: grid (peer outputs)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# Color breakdown @layout(grid)","label":null,"prefix":null,"suffix":null,"section":"Color breakdown","hidden":false,"hero":false,"slider":null,"value":null},{"text":"red = 255","label":null,"prefix":null,"suffix":null,"section":"Color breakdown","hidden":false,"hero":false,"slider":null,"value":255},{"text":"green = 128","label":null,"prefix":null,"suffix":null,"section":"Color breakdown","hidden":false,"hero":false,"slider":null,"value":128},{"text":"blue = 64","label":null,"prefix":null,"suffix":null,"section":"Color breakdown","hidden":false,"hero":false,"slider":null,"value":64},{"text":"alpha = 1.0","label":null,"prefix":null,"suffix":null,"section":"Color breakdown","hidden":false,"hero":false,"slider":null,"value":1},{"text":"# 18. Layout: split (inputs left, outputs right)","label":null,"prefix":null,"suffix":null,"section":"18. Layout: split (inputs left, outputs right)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# I/O scenario @layout(split)","label":null,"prefix":null,"suffix":null,"section":"I/O scenario","hidden":false,"hero":false,"slider":null,"value":null},{"text":"revenue = 150000","label":null,"prefix":null,"suffix":null,"section":"I/O scenario","hidden":false,"hero":false,"slider":null,"value":150000},{"text":"expenses = 90000","label":null,"prefix":null,"suffix":null,"section":"I/O scenario","hidden":false,"hero":false,"slider":null,"value":90000},{"text":"profit = revenue - expenses","label":null,"prefix":null,"suffix":null,"section":"I/O scenario","hidden":false,"hero":false,"slider":null,"value":60000},{"text":"margin pct = (profit / revenue) * 100 // %","label":null,"prefix":null,"suffix":"%","section":"I/O scenario","hidden":false,"hero":false,"slider":null,"value":40},{"text":"# 19. @wide — row spans full grid width","label":null,"prefix":null,"suffix":null,"section":"19. — row spans full grid width","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$total quarterly revenue = 600000 // @wide @prefix($) @label(Q4 total revenue across all regions)","label":"Q4 total revenue across all regions","prefix":"$","suffix":null,"section":"19. — row spans full grid width","hidden":false,"hero":false,"slider":null,"value":600000},{"text":"# 20. Format: percent and currency","label":null,"prefix":null,"suffix":null,"section":"20. Format: percent and currency","hidden":false,"hero":false,"slider":null,"value":null},{"text":"percent rate = 0.075 // @format(percent)","label":null,"prefix":null,"suffix":null,"section":"20. Format: percent and currency","hidden":false,"hero":false,"slider":null,"value":0.075},{"text":"$compact dollars = 12345.67 // @format(currency) @decimals(0)","label":null,"prefix":"$","suffix":null,"section":"20. Format: percent and currency","hidden":false,"hero":false,"slider":null,"value":12345.67},{"text":"raw count = 1234567 // @format(raw)","label":null,"prefix":null,"suffix":null,"section":"20. Format: percent and currency","hidden":false,"hero":false,"slider":null,"value":1234567},{"text":"# 21. Inline variable interpolation in prose","label":null,"prefix":null,"suffix":null,"section":"21. Inline variable interpolation in prose","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 22. Narrative row (markdown-friendly)","label":null,"prefix":null,"suffix":null,"section":"22. Narrative row (markdown-friendly)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 23. Plain comment","label":null,"prefix":null,"suffix":null,"section":"23. Plain comment","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 24. Divider","label":null,"prefix":null,"suffix":null,"section":"24. Divider","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 25. Quoted string narrative","label":null,"prefix":null,"suffix":null,"section":"25. Quoted string narrative","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 26. Comment heading (level 3)","label":null,"prefix":null,"suffix":null,"section":"26. Comment heading (level 3)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"### A level-3 sub-label","label":null,"prefix":null,"suffix":null,"section":"A level-3 sub-label","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# 27. End cap — one final hero so the calc has a clear payoff","label":null,"prefix":null,"suffix":null,"section":"27. End cap — one final hero so the calc has a clear payoff","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$grand total = annual_savings * years // @hero @label(Total saved over horizon) @prefix($)","label":"Total saved over horizon","prefix":"$","suffix":null,"section":"27. End cap — one final hero so the calc has a clear payoff","hidden":false,"hero":true,"slider":null,"value":1050000}]},{"id":"1031-exchange-timeline","title":"1031 Exchange Timeline","description":"Track critical identification and exchange deadlines for 1031 tax swaps.","category":"real-estate","icon":"calendar","tags":["1031","exchange","timeline"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.187Z"},"rows":[{"text":"saleClosingDate = 0 // day","label":null,"prefix":null,"suffix":"day","section":null,"hidden":false,"hero":false,"slider":null,"value":0},{"text":"identificationPeriodDays = 45 // days","label":null,"prefix":null,"suffix":"days","section":null,"hidden":false,"hero":false,"slider":null,"value":45},{"text":"exchangePeriodDays = 180 // days","label":null,"prefix":null,"suffix":"days","section":null,"hidden":false,"hero":false,"slider":null,"value":180},{"text":"identificationDeadline = saleClosingDate + identificationPeriodDays","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":45},{"text":"exchangeDeadline = saleClosingDate + exchangePeriodDays","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":180}]},{"id":"401k-contribution","title":"401k Contribution","description":"Quick and accurate 401k Contribution calculator for instant results.","category":"finance","icon":"dollar-sign","tags":["401k","contribution","finance"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.189Z"},"rows":[{"text":"# Salary and Contribution","label":null,"prefix":null,"suffix":null,"section":"Salary and Contribution","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$annual salary = 80000 // 20000..500000 by 1000","label":null,"prefix":"$","suffix":null,"section":"Salary and 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(contribution percent / 100) // @hidden","label":null,"prefix":"$","suffix":null,"section":"Calculations","hidden":true,"hero":false,"slider":null,"value":8000},{"text":"match threshold = if(contribution percent < employer match limit, contribution percent, employer match limit) // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculations","hidden":true,"hero":false,"slider":null,"value":6},{"text":"$employer annual match = annual salary * (match threshold / 100) * (employer match percent / 100) // @hidden","label":null,"prefix":"$","suffix":null,"section":"Calculations","hidden":true,"hero":false,"slider":null,"value":2400},{"text":"# Result","label":null,"prefix":null,"suffix":null,"section":"Result","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$total annual contribution = your annual contribution + employer annual match // @hero","label":null,"prefix":"$","suffix":null,"section":"Result","hidden":false,"hero":true,"slider":null,"value":10400},{"text":"$monthly contribution = total annual contribution / 12","label":null,"prefix":"$","suffix":null,"section":"Result","hidden":false,"hero":false,"slider":null,"value":866.6666666666666},{"text":"percent of salary matched = (employer annual match / annual salary) * 100 // %","label":null,"prefix":null,"suffix":"%","section":"Result","hidden":false,"hero":false,"slider":null,"value":3},{"text":"$total after 30 years at 7 percent return = total annual contribution * ((1.07^30 - 1) / 0.07)","label":null,"prefix":"$","suffix":null,"section":"Result","hidden":false,"hero":false,"slider":null,"value":982392.1777669319}]},{"id":"ac-impedance-rlc-circuit","title":"AC Impedance RLC Circuit","description":"Calculate total impedance and phase angle for AC 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frequency_hz","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":376.9908},{"text":"inductive_reactance = angular_frequency * inductance_henries","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":37.69908},{"text":"capacitive_reactance = 1 / (angular_frequency * capacitance_farads)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":265.2584625407304},{"text":"@hero total_impedance_ohms = (resistance_ohms^2 + (inductive_reactance - capacitive_reactance)^2)^0.5 // ohms","label":null,"prefix":null,"suffix":"ohms","section":null,"hidden":false,"hero":true,"slider":null,"value":248.5624118452315},{"text":"phase_angle_degrees = atan((inductive_reactance - capacitive_reactance) / resistance_ohms) * 180 / 3.14159","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-3797.40229397485}]},{"id":"account-receivable-days","title":"Account Receivable Days","description":"Quick and accurate Account Receivable Days calculator for instant results.","category":"other","icon":"calculator","tags":["account","receivable","days"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.190Z"},"rows":[{"text":"# Receivables Data","label":null,"prefix":null,"suffix":null,"section":"Receivables Data","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$average accounts receivable = 45000 // 0..1000000 by 1000","label":null,"prefix":"$","suffix":null,"section":"Receivables Data","hidden":false,"hero":false,"slider":{"min":0,"max":1000000,"step":1000},"value":45000},{"text":"$total annual credit sales = 400000 // 1000..10000000 by 5000","label":null,"prefix":"$","suffix":null,"section":"Receivables Data","hidden":false,"hero":false,"slider":{"min":1000,"max":10000000,"step":5000},"value":400000},{"text":"number of days in period = 365 // days 30..365 by 1","label":null,"prefix":null,"suffix":"days","section":"Receivables Data","hidden":false,"hero":false,"slider":{"min":30,"max":365,"step":1},"value":365},{"text":"# Calculations","label":null,"prefix":null,"suffix":null,"section":"Calculations","hidden":false,"hero":false,"slider":null,"value":null},{"text":"receivables turnover = total annual credit sales / average accounts receivable // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculations","hidden":true,"hero":false,"slider":null,"value":8.88888888888889},{"text":"# Result","label":null,"prefix":null,"suffix":null,"section":"Result","hidden":false,"hero":false,"slider":null,"value":null},{"text":"days sales outstanding = number of days in period / receivables turnover // @hero 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debt and total interest costs.","category":"finance","icon":"credit-card","tags":["debt","payoff","interest","snowball"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.852Z"},"rows":[{"text":"# Debt Details","label":null,"prefix":null,"suffix":null,"section":"Debt Details","hidden":false,"hero":false,"slider":null,"value":null},{"text":"total debt = $15000 // 500..100000 by 500","label":null,"prefix":"$","suffix":null,"section":"Debt Details","hidden":false,"hero":false,"slider":{"min":500,"max":100000,"step":500},"value":15000},{"text":"annual interest rate = 18 // % 1..30 by 0.5","label":null,"prefix":null,"suffix":"%","section":"Debt Details","hidden":false,"hero":false,"slider":{"min":1,"max":30,"step":0.5},"value":18},{"text":"monthly payment = $400 // 50..5000 by 25","label":null,"prefix":"$","suffix":null,"section":"Debt Details","hidden":false,"hero":false,"slider":{"min":50,"max":5000,"step":25},"value":400},{"text":"# Payoff 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Debt","hidden":false,"hero":false,"slider":{"min":0,"max":5000,"step":25},"value":200},{"text":"# Calculations","label":null,"prefix":null,"suffix":null,"section":"Calculations","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$total monthly debt = monthly mortgage or rent + monthly car payments + monthly credit card minimums + other monthly debt payments // @hidden","label":null,"prefix":"$","suffix":null,"section":"Calculations","hidden":true,"hero":false,"slider":null,"value":2550},{"text":"# Result","label":null,"prefix":null,"suffix":null,"section":"Result","hidden":false,"hero":false,"slider":null,"value":null},{"text":"debt to income ratio = (total monthly debt / gross monthly income) * 100 // @hero %","label":null,"prefix":null,"suffix":"%","section":"Result","hidden":false,"hero":true,"slider":null,"value":42.5},{"text":"$remaining monthly income = gross monthly income - total monthly 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50","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":50},{"text":"avg_decision_complexity = 5","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":5},{"text":"fatigue_index = (decisions_today * avg_decision_complexity) / 100","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":2.5}]},{"id":"deck-board-estimator","title":"Deck Board Estimator","description":"Quick and accurate Deck Board Estimator calculator for instant results.","category":"everyday","icon":"home","tags":["deck","board","estimator","everyday"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.213Z"},"rows":[{"text":"# Deck Dimensions","label":null,"prefix":null,"suffix":null,"section":"Deck Dimensions","hidden":false,"hero":false,"slider":null,"value":null},{"text":"deck length = 16 // feet 1..100","label":null,"prefix":null,"suffix":"feet","section":"Deck Dimensions","hidden":false,"hero":false,"slider":{"min":1,"max":100,"step":1},"value":16},{"text":"deck width = 12 // feet 1..100","label":null,"prefix":null,"suffix":"feet","section":"Deck Dimensions","hidden":false,"hero":false,"slider":{"min":1,"max":100,"step":1},"value":12},{"text":"# Board Dimensions","label":null,"prefix":null,"suffix":null,"section":"Board Dimensions","hidden":false,"hero":false,"slider":null,"value":null},{"text":"board nominal width = 6 // inches","label":null,"prefix":null,"suffix":"inches","section":"Board Dimensions","hidden":false,"hero":false,"slider":null,"value":6},{"text":"actual board width = 5.5 // inches","label":null,"prefix":null,"suffix":"inches","section":"Board Dimensions","hidden":false,"hero":false,"slider":null,"value":5.5},{"text":"gap width = 0.125 // inches","label":null,"prefix":null,"suffix":"inches","section":"Board 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1.5 // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":false,"slider":null,"value":1.5},{"text":"max_spacing_inches = 4 // inches (standard code)","label":null,"prefix":null,"suffix":"inches (standard code)","section":null,"hidden":false,"hero":false,"slider":null,"value":4},{"text":"total_balusters = ceil(railing_length_inches / (baluster_width_inches + max_spacing_inches))","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":18},{"text":"@hero actual_spacing_inches = (railing_length_inches - (total_balusters * baluster_width_inches)) / (total_balusters + 1) // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":true,"slider":null,"value":3.6315789473684212}]},{"id":"deep-work-uninterrupted-ratio","title":"Deep Work Uninterrupted Ratio","description":"Quick and accurate Deep Work Uninterrupted Ratio calculator for instant 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field","section":null,"hidden":false,"hero":false,"slider":null,"value":0.4529970283394941}]},{"id":"delta-v-orbit-change","title":"Delta V Orbit Change","description":"Quick and accurate Delta V Orbit Change calculator for instant results.","category":"science","icon":"globe","tags":["delta","v","orbit","change"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.214Z"},"rows":[{"text":"specific_impulse_seconds = 300","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":300},{"text":"gravity_constant = 9.806","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":9.806},{"text":"mass_initial_kilograms = 1000","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1000},{"text":"mass_final_kilograms = 800","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":800},{"text":"delta_v_meters_per_second = specific_impulse_seconds * gravity_constant * ln(mass_initial_kilograms / mass_final_kilograms)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":656.4436992561423}]},{"id":"density-altitude","title":"Density Altitude","description":"Quick and accurate Density Altitude calculator for instant results.","category":"science","icon":"flask-conical","tags":["density","altitude","science"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.214Z"},"rows":[{"text":"# Altitude and Air","label":null,"prefix":null,"suffix":null,"section":"Altitude and Air","hidden":false,"hero":false,"slider":null,"value":null},{"text":"pressure altitude = 5000 // feet 0..30000","label":null,"prefix":null,"suffix":"feet","section":"Altitude and Air","hidden":false,"hero":false,"slider":{"min":0,"max":30000,"step":500},"value":5000},{"text":"outside air temperature = 85 // fahrenheit -20..120","label":null,"prefix":null,"suffix":"fahrenheit","section":"Altitude and Air","hidden":false,"hero":false,"slider":{"min":-20,"max":120,"step":2},"value":85},{"text":"# ISA Temperature at Pressure Altitude","label":null,"prefix":null,"suffix":null,"section":"ISA Temperature at Pressure Altitude","hidden":false,"hero":false,"slider":null,"value":null},{"text":"isa temperature celsius = 15 - (pressure altitude * 0.00198)","label":null,"prefix":null,"suffix":null,"section":"ISA Temperature at Pressure Altitude","hidden":false,"hero":false,"slider":null,"value":5.1},{"text":"temp celsius = (outside air temperature - 32) * 5 / 9","label":null,"prefix":null,"suffix":null,"section":"ISA Temperature at Pressure Altitude","hidden":false,"hero":false,"slider":null,"value":29.444444444444443},{"text":"# Result","label":null,"prefix":null,"suffix":null,"section":"Result","hidden":false,"hero":false,"slider":null,"value":null},{"text":"density altitude = pressure altitude + (120 * (temp celsius - isa temperature celsius)) // feet @hero","label":null,"prefix":null,"suffix":"feet","section":"Result","hidden":false,"hero":true,"slider":null,"value":7921.333333333335},{"text":"# Performance Impact","label":null,"prefix":null,"suffix":null,"section":"Performance Impact","hidden":false,"hero":false,"slider":null,"value":null},{"text":"isa deviation = temp celsius - isa temperature celsius","label":null,"prefix":null,"suffix":null,"section":"Performance Impact","hidden":false,"hero":false,"slider":null,"value":24.344444444444445},{"text":"takeoff distance factor = 1 + (density altitude / 1000) * 0.1","label":null,"prefix":null,"suffix":null,"section":"Performance Impact","hidden":false,"hero":false,"slider":null,"value":1.7921333333333336},{"text":"engine power loss percent = (density altitude / 1000) * 3 // %","label":null,"prefix":null,"suffix":"%","section":"Performance Impact","hidden":false,"hero":false,"slider":null,"value":23.764000000000003},{"text":"density ratio = (518.67 / (459.67 + outside air temperature)) * (1 - 0.0000068756 * pressure altitude)^5.2559","label":null,"prefix":null,"suffix":null,"section":"Performance Impact","hidden":false,"hero":false,"slider":null,"value":0.7923290569713252}]},{"id":"density","title":"Density","description":"Convert mass and volume into density and per-teaspoon weight.","category":"science","icon":"atom","tags":["density","mass","volume","physics","units"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.856Z"},"rows":[{"text":"# Sample","label":null,"prefix":null,"suffix":null,"section":"Sample","hidden":false,"hero":false,"slider":null,"value":null},{"text":"mass kg = 6000000000000 // kg 0.001..1e20","label":null,"prefix":null,"suffix":"kg","section":"Sample","hidden":false,"hero":false,"slider":{"min":0.001,"max":100000000000000000000,"step":1000000000000000000},"value":6000000000000},{"text":"volume ml = 5 // mL 0.001..100000 by 0.001","label":null,"prefix":null,"suffix":"mL","section":"Sample","hidden":false,"hero":false,"slider":{"min":0.001,"max":100000,"step":0.001},"value":5},{"text":"# Density","label":null,"prefix":null,"suffix":null,"section":"Density","hidden":false,"hero":false,"slider":null,"value":null},{"text":"volume m3 = volume ml / 1000000 // m³ @hidden","label":null,"prefix":null,"suffix":"m³","section":"Density","hidden":true,"hero":false,"slider":null,"value":0.000005},{"text":"density kg per m3 = mass kg / volume m3 // kg/m³ @label(Density (kg/m³))","label":"Density (kg/m³)","prefix":null,"suffix":"kg/m³","section":"Density","hidden":false,"hero":false,"slider":null,"value":1200000000000000000},{"text":"density g per cc = density kg per m3 / 1000 // g/cm³ @label(Density (g/cm³))","label":"Density (g/cm³)","prefix":null,"suffix":"g/cm³","section":"Density","hidden":false,"hero":false,"slider":null,"value":1200000000000000},{"text":"# Mass per Teaspoon (5 mL)","label":null,"prefix":null,"suffix":null,"section":"Mass per Teaspoon (5 mL)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"mass per tsp kg = density kg per m3 * 5 / 1000000 // kg @label(Mass per teaspoon)","label":"Mass per teaspoon","prefix":null,"suffix":"kg","section":"Mass per Teaspoon (5 mL)","hidden":false,"hero":false,"slider":null,"value":6000000000000},{"text":"mass per tsp tons = mass per tsp kg / 1000 // tons @hero @label(Mass per teaspoon (metric tons))","label":"Mass per teaspoon (metric tons)","prefix":null,"suffix":"tons","section":"Mass per Teaspoon (5 mL)","hidden":false,"hero":true,"slider":null,"value":6000000000},{"text":"# Reference","label":null,"prefix":null,"suffix":null,"section":"Reference","hidden":false,"hero":false,"slider":null,"value":null},{"text":"water density = 1000 // kg/m³ @hidden","label":null,"prefix":null,"suffix":"kg/m³","section":"Reference","hidden":true,"hero":false,"slider":null,"value":1000},{"text":"times denser than water = round(density kg per m3 / water density)","label":null,"prefix":null,"suffix":null,"section":"Reference","hidden":false,"hero":false,"slider":null,"value":1200000000000000}]},{"id":"depth-of-field","title":"Depth of Field","description":"Quick and accurate Depth of Field calculator for instant results.","category":"other","icon":"calculator","tags":["depth","field"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.214Z"},"rows":[{"text":"# Camera Specs","label":null,"prefix":null,"suffix":null,"section":"Camera Specs","hidden":false,"hero":false,"slider":null,"value":null},{"text":"focal length = 50 // mm 10..600","label":null,"prefix":null,"suffix":"mm","section":"Camera Specs","hidden":false,"hero":false,"slider":{"min":10,"max":600,"step":10},"value":50},{"text":"aperture = 2.8 // f-number 1.0..32","label":null,"prefix":null,"suffix":"f-number","section":"Camera Specs","hidden":false,"hero":false,"slider":{"min":1,"max":32,"step":0.5},"value":2.8},{"text":"subject distance = 10 // feet 1..500","label":null,"prefix":null,"suffix":"feet","section":"Camera Specs","hidden":false,"hero":false,"slider":{"min":1,"max":500,"step":5},"value":10},{"text":"sensor crop factor = 1.0 // 1.0 for Full Frame, 1.5 for APS-C","label":null,"prefix":null,"suffix":"1.0 for Full Frame, 1.5 for APS-C","section":"Camera Specs","hidden":false,"hero":false,"slider":null,"value":1},{"text":"# Constants","label":null,"prefix":null,"suffix":null,"section":"Constants","hidden":false,"hero":false,"slider":null,"value":null},{"text":"coc = 0.03 / sensor crop factor // mm (Circle of 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0.6","label":null,"prefix":null,"suffix":null,"section":"Common Values","hidden":false,"hero":false,"slider":null,"value":0.6},{"text":"teflon on steel = 0.04","label":null,"prefix":null,"suffix":null,"section":"Common Values","hidden":false,"hero":false,"slider":null,"value":0.04}]},{"id":"frictional-force-coefficient-static","title":"Frictional Force Coefficient Static","description":"Quick and accurate Frictional Force Coefficient Static calculator for instant results.","category":"education","icon":"book-open","tags":["frictional","force","coefficient","static"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.224Z"},"rows":[{"text":"normal_force = 100 // Newtons","label":null,"prefix":null,"suffix":"Newtons","section":null,"hidden":false,"hero":false,"slider":null,"value":100},{"text":"coefficient_of_static_friction = 0.4","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.4},{"text":"@hero max_static_frictional_force = normal_force * coefficient_of_static_friction // Newtons","label":null,"prefix":null,"suffix":"Newtons","section":null,"hidden":false,"hero":true,"slider":null,"value":40}]},{"id":"front-end-load-impact","title":"Front End Load Impact","description":"Quick and accurate Front End Load Impact calculator for instant results.","category":"other","icon":"calculator","tags":["front","end","load","impact"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.224Z"},"rows":[{"text":"investment_amount = 10000","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":10000},{"text":"front_end_load = 0.05","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.05},{"text":"annual_growth = 0.07","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.07},{"text":"years = 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5..60","label":null,"prefix":null,"suffix":"mpg","section":"Your Car","hidden":false,"hero":false,"slider":{"min":5,"max":60,"step":1},"value":28},{"text":"gas price = $3.89 // /gal 1..10 by 0.01","label":null,"prefix":"$","suffix":"/gal","section":"Your Car","hidden":false,"hero":false,"slider":{"min":1,"max":10,"step":0.01},"value":3.89},{"text":"# Per Tank","label":null,"prefix":null,"suffix":null,"section":"Per Tank","hidden":false,"hero":false,"slider":null,"value":null},{"text":"range per tank = tank_size * fuel_economy // miles @hero","label":null,"prefix":null,"suffix":"miles","section":"Per Tank","hidden":false,"hero":true,"slider":null,"value":392},{"text":"$cost to fill up = tank_size * gas_price","label":null,"prefix":"$","suffix":null,"section":"Per Tank","hidden":false,"hero":false,"slider":null,"value":54.46},{"text":"$cost per mile = gas_price / fuel_economy // /mile","label":null,"prefix":"$","suffix":"/mile","section":"Per 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Calculation","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"success rate = success rate percent / 100 // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":true,"hero":false,"slider":null,"value":0.006},{"text":"failure rate = 1 - success rate // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":true,"hero":false,"slider":null,"value":0.994},{"text":"probability of no success = failure rate ^ total pulls // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":true,"hero":false,"slider":null,"value":0.9415943502102122},{"text":"at least one success probability = (1 - probability of no success) * 100 // percent @hero","label":null,"prefix":null,"suffix":"percent","section":"Calculation","hidden":false,"hero":true,"slider":null,"value":5.84056497897878}]},{"id":"gacha-pity-counter-probability","title":"Gacha Pity 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Calculation","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"pulls remaining = pity threshold - current pulls // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":true,"hero":false,"slider":null,"value":15},{"text":"pity factor = (current pulls / pity threshold) * 10 // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":true,"hero":false,"slider":null,"value":8.333333333333334},{"text":"adjusted success rate percent = base success rate percent + pity factor // @hero","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":true,"slider":null,"value":8.933333333333334}]},{"id":"gacha-single-pull-probability","title":"Gacha Single Pull Probability","description":"Calculate the probability of success in a single gacha 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pulls // @hero","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":true,"slider":null,"value":0.006}]},{"id":"galactic-rotation-speed","title":"Galactic Rotation Speed","description":"Quick and accurate Galactic Rotation Speed calculator for instant results.","category":"science","icon":"globe","tags":["galactic","rotation","speed"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.225Z"},"rows":[{"text":"distance_from_center_lightyears = 26000","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":26000},{"text":"mass_inside_solar_masses = 1e11","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":100000000000},{"text":"gravitational_constant = 4.302e-3 // pc * (km/s)^2 / M_sun","label":null,"prefix":null,"suffix":"pc * (km/s)^2 / 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30 // cm","label":null,"prefix":null,"suffix":"cm","section":null,"hidden":false,"hero":false,"slider":null,"value":30},{"text":"paver_width_cm = 30 // cm","label":null,"prefix":null,"suffix":"cm","section":null,"hidden":false,"hero":false,"slider":null,"value":30},{"text":"joint_width_mm = 5 // mm","label":null,"prefix":null,"suffix":"mm","section":null,"hidden":false,"hero":false,"slider":null,"value":5},{"text":"effective_paver_length_m = (paver_length_cm + joint_width_mm / 10) / 100 // m","label":null,"prefix":null,"suffix":"m","section":null,"hidden":false,"hero":false,"slider":null,"value":0.305},{"text":"effective_paver_width_m = (paver_width_cm + joint_width_mm / 10) / 100 // m","label":null,"prefix":null,"suffix":"m","section":null,"hidden":false,"hero":false,"slider":null,"value":0.305},{"text":"@hero total_pavers_needed = ceil((path_length_meters / effective_paver_length_m) * (path_width_meters / 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= total_width / phi // pixels","label":null,"prefix":null,"suffix":"pixels","section":null,"hidden":false,"hero":true,"slider":null,"value":741.6563658838072},{"text":"@hero sidebar_width = total_width - main_content_width // pixels","label":null,"prefix":null,"suffix":"pixels","section":null,"hidden":false,"hero":true,"slider":null,"value":458.3436341161928}]},{"id":"golden-ratio","title":"Golden Ratio","description":"Compute φ, Fibonacci ratios, and compare against the rule of thirds.","category":"design","icon":"function","tags":["math","design","golden-ratio","fibonacci","proportion"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.856Z"},"rows":[{"text":"# The Number","label":null,"prefix":null,"suffix":null,"section":"The Number","hidden":false,"hero":false,"slider":null,"value":null},{"text":"phi = (1 + sqrt(5)) / 2 // @hero @label(φ = (1+√5)/2)","label":"φ = (1+√5)/2","prefix":null,"suffix":null,"section":"The Number","hidden":false,"hero":true,"slider":null,"value":1.618033988749895},{"text":"one over phi = 1 / phi // @label(1/φ (≈ 0.618))","label":"1/φ (≈ 0.618)","prefix":null,"suffix":null,"section":"The Number","hidden":false,"hero":false,"slider":null,"value":0.6180339887498948},{"text":"phi squared = phi^2 // @label(φ² (≈ 2.618))","label":"φ² (≈ 2.618)","prefix":null,"suffix":null,"section":"The Number","hidden":false,"hero":false,"slider":null,"value":2.618033988749895},{"text":"# Fibonacci Approximation","label":null,"prefix":null,"suffix":null,"section":"Fibonacci Approximation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"fib n minus 1 = 89 // 1..1000","label":null,"prefix":null,"suffix":null,"section":"Fibonacci Approximation","hidden":false,"hero":false,"slider":{"min":1,"max":1000,"step":10},"value":89},{"text":"fib n = 144 // 1..1000","label":null,"prefix":null,"suffix":null,"section":"Fibonacci 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3","label":null,"prefix":null,"suffix":null,"section":"Course 3","hidden":false,"hero":false,"slider":null,"value":null},{"text":"course3_credits = 3 // 1..6","label":null,"prefix":null,"suffix":null,"section":"Course 3","hidden":false,"hero":false,"slider":{"min":1,"max":6,"step":0.05},"value":3},{"text":"course3_grade = 4.0 // 0..4 by 0.1","label":null,"prefix":null,"suffix":null,"section":"Course 3","hidden":false,"hero":false,"slider":{"min":0,"max":4,"step":0.1},"value":4},{"text":"# Course 4","label":null,"prefix":null,"suffix":null,"section":"Course 4","hidden":false,"hero":false,"slider":null,"value":null},{"text":"course4_credits = 3 // 1..6","label":null,"prefix":null,"suffix":null,"section":"Course 4","hidden":false,"hero":false,"slider":{"min":1,"max":6,"step":0.05},"value":3},{"text":"course4_grade = 2.7 // 0..4 by 0.1","label":null,"prefix":null,"suffix":null,"section":"Course 4","hidden":false,"hero":false,"slider":{"min":0,"max":4,"step":0.1},"value":2.7},{"text":"# Results","label":null,"prefix":null,"suffix":null,"section":"Results","hidden":false,"hero":false,"slider":null,"value":null},{"text":"total_credits = course1_credits + course2_credits + course3_credits + course4_credits","label":null,"prefix":null,"suffix":null,"section":"Results","hidden":false,"hero":false,"slider":null,"value":13},{"text":"total_grade_points = course1_credits * course1_grade + course2_credits * course2_grade + course3_credits * course3_grade + course4_credits * course4_grade","label":null,"prefix":null,"suffix":null,"section":"Results","hidden":false,"hero":false,"slider":null,"value":44.4},{"text":"gpa = round(total_grade_points / total_credits * 100) / 100 // @hero","label":null,"prefix":null,"suffix":null,"section":"Results","hidden":false,"hero":true,"slider":null,"value":3.42}]},{"id":"grade-calculator","title":"Grade Calculator","description":"Find what score you need on the final to hit your target 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Calculation","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"coursework_weight = 100 - final_weight","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":70},{"text":"coursework_contribution = current_grade * (coursework_weight / 100)","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":59.5},{"text":"needed_from_final = target_grade - coursework_contribution","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":30.5},{"text":"needed_final_score = round(needed_from_final / (final_weight / 100) * 10) / 10 // % @hero","label":null,"prefix":null,"suffix":"%","section":"Calculation","hidden":false,"hero":true,"slider":null,"value":101.7}]},{"id":"grass-seed-coverage","title":"Grass Seed Coverage","description":"Calculate weight of grass seed needed for your lawn area.","category":"everyday","icon":"sprout","tags":["garden","lawn","seed"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.226Z"},"rows":[{"text":"area_square_meters = 250 // square meters","label":null,"prefix":null,"suffix":"square meters","section":null,"hidden":false,"hero":false,"slider":null,"value":250},{"text":"seed_rate_grams_per_square_meter = 35 // grams","label":null,"prefix":null,"suffix":"grams","section":null,"hidden":false,"hero":false,"slider":null,"value":35},{"text":"@hero total_seed_needed_kg = (area_square_meters * seed_rate_grams_per_square_meter) / 1000 // kg","label":null,"prefix":null,"suffix":"kg","section":null,"hidden":false,"hero":true,"slider":null,"value":8.75}]},{"id":"gravel-weight-calculator","title":"Gravel Weight Calculator","description":"Quick and accurate Gravel Weight Calculator calculator for instant 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2400..3200","label":null,"prefix":null,"suffix":null,"section":"Average density is approx 2800 lbs per cubic yard","hidden":false,"hero":false,"slider":{"min":2400,"max":3200,"step":10},"value":2800},{"text":"total weight pounds = volume cubic yards * pounds per cubic yard // @hidden","label":null,"prefix":null,"suffix":null,"section":"Average density is approx 2800 lbs per cubic yard","hidden":true,"hero":false,"slider":null,"value":14000},{"text":"total weight tons = round(total weight pounds / 2000, 2) // @hero","label":null,"prefix":null,"suffix":null,"section":"Average density is approx 2800 lbs per cubic yard","hidden":false,"hero":true,"slider":null,"value":7},{"text":"# Delivery","label":null,"prefix":null,"suffix":null,"section":"Delivery","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# Typical small dump truck capacity is 5 tons","label":null,"prefix":null,"suffix":null,"section":"Typical small dump truck capacity is 5 tons","hidden":false,"hero":false,"slider":null,"value":null},{"text":"truck loads = roundup(total weight tons / 5)","label":null,"prefix":null,"suffix":null,"section":"Typical small dump truck capacity is 5 tons","hidden":false,"hero":false,"slider":null,"value":2}]},{"id":"gravitational-potential-energy-orbital","title":"Gravitational Potential Energy Orbital","description":"Quick and accurate Gravitational Potential Energy Orbital calculator for instant results.","category":"education","icon":"book-open","tags":["gravitational","potential","energy","orbital"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.226Z"},"rows":[{"text":"mass_object = 100 // kg","label":null,"prefix":null,"suffix":"kg","section":null,"hidden":false,"hero":false,"slider":null,"value":100},{"text":"mass_planet = 5.972e24 // kg (Earth)","label":null,"prefix":null,"suffix":"kg (Earth)","section":null,"hidden":false,"hero":false,"slider":null,"value":5.972e+24},{"text":"radius_orbit = 6771000 // meters (LEO)","label":null,"prefix":null,"suffix":"meters (LEO)","section":null,"hidden":false,"hero":false,"slider":null,"value":6771000},{"text":"@hidden G = 6.674e-11","label":null,"prefix":null,"suffix":null,"section":null,"hidden":true,"hero":false,"slider":null,"value":6.674e-11},{"text":"@hero potential_energy = -G * mass_planet * mass_object / radius_orbit // Joules","label":null,"prefix":null,"suffix":"Joules","section":null,"hidden":false,"hero":true,"slider":null,"value":-5886446315.167628}]},{"id":"great-circle-distance-advanced","title":"Great Circle Distance Advanced","description":"Quick and accurate Great Circle Distance Advanced calculator for instant results.","category":"science","icon":"globe","tags":["great","circle","distance","advanced"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.226Z"},"rows":[{"text":"radius_of_earth_kilometers = 6371","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":6371},{"text":"lat1_degrees = 40.71","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":40.71},{"text":"lon1_degrees = -74.00","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-74},{"text":"lat2_degrees = 34.05","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":34.05},{"text":"lon2_degrees = -118.24","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-118.24},{"text":"dlat = (lat2_degrees - lat1_degrees) * pi / 180","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-0.11623892818282233},{"text":"dlon = (lon2_degrees - lon1_degrees) * pi / 180","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-0.7721336610822913},{"text":"a = (sin(dlat/2))^2 + cos(lat1_degrees * pi / 180) * cos(lat2_degrees * pi / 180) * (sin(dlon/2))^2","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.000046424832810349865},{"text":"c = 2 * atan2(sqrt(a), sqrt(1-a))","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.7807844630774026},{"text":"distance_kilometers = radius_of_earth_kilometers * c","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":4974.377814266132}]},{"id":"great-circle-distance-haversine","title":"Great Circle Distance Haversine","description":"Quick and accurate Great Circle Distance Haversine calculator for instant results.","category":"math","icon":"infinity","tags":["great","circle","distance","haversine","math"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.226Z"},"rows":[{"text":"lat1 = 40.7128","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":40.7128},{"text":"lon1 = -74.0060","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-74.006},{"text":"lat2 = 34.0522","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":34.0522},{"text":"lon2 = -118.2437","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-118.2437},{"text":"r = 6371","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":6371},{"text":"dlat = (lat2 - lat1) * pi / 180","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-0.1162494001583343},{"text":"dlon = (lon2 - lon1) * pi / 180","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":-0.7720935185094956},{"text":"a = sin(dlat / 2)**2 + cos(lat1 * pi / 180) * cos(lat2 * pi / 180) * sin(dlon / 2)**2","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.0000464202974291111},{"text":"c = 2 * atan2(a**0.5, (1 - a)**0.5)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.7807463229670337},{"text":"distance = r * c","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":4974.134823622971}]},{"id":"greenhouse-ventilation-requirement","title":"Greenhouse Ventilation","description":"Calculate required airflow for greenhouse cooling.","category":"engineering","icon":"fan","tags":["engineering","garden","greenhouse"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.227Z"},"rows":[{"text":"greenhouse_volume_cubic_meters = 100 // m3","label":null,"prefix":null,"suffix":"m3","section":null,"hidden":false,"hero":false,"slider":null,"value":100},{"text":"target_air_changes_per_hour = 60 // 1 per minute during summer","label":null,"prefix":null,"suffix":"1 per minute during summer","section":null,"hidden":false,"hero":false,"slider":null,"value":60},{"text":"@hero required_airflow_cubic_meters_per_minute = greenhouse_volume_cubic_meters * target_air_changes_per_hour / 60 // m3/min","label":null,"prefix":null,"suffix":"m3/min","section":null,"hidden":false,"hero":true,"slider":null,"value":100}]},{"id":"greywater-recycling-potential","title":"Greywater Recycling Potential","description":"Calculate how much greywater you can reuse daily.","category":"everyday","icon":"droplet","tags":["eco","water","recycling"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.227Z"},"rows":[{"text":"daily_shower_liters = 60 // liters","label":null,"prefix":null,"suffix":"liters","section":null,"hidden":false,"hero":false,"slider":null,"value":60},{"text":"daily_laundry_liters = 20 // liters","label":null,"prefix":null,"suffix":"liters","section":null,"hidden":false,"hero":false,"slider":null,"value":20},{"text":"recyclable_fraction = 70 // percent","label":null,"prefix":null,"suffix":"percent","section":null,"hidden":false,"hero":false,"slider":null,"value":70},{"text":"@hero daily_greywater_available_liters = (daily_shower_liters + daily_laundry_liters) * (recyclable_fraction / 100) // liters","label":null,"prefix":null,"suffix":"liters","section":null,"hidden":false,"hero":true,"slider":null,"value":56}]},{"id":"grid-calculator","title":"Grid Calculator","description":"Calculate CSS grid column widths from container and gap.","category":"design","icon":"grid","tags":["grid","css","columns","layout"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.856Z"},"rows":[{"text":"# Container","label":null,"prefix":null,"suffix":null,"section":"Container","hidden":false,"hero":false,"slider":null,"value":null},{"text":"container width = 1200 // px 320..2560 by 10","label":null,"prefix":null,"suffix":"px","section":"Container","hidden":false,"hero":false,"slider":{"min":320,"max":2560,"step":10},"value":1200},{"text":"columns = 12 // 1..24","label":null,"prefix":null,"suffix":null,"section":"Container","hidden":false,"hero":false,"slider":{"min":1,"max":24,"step":0.5},"value":12},{"text":"gap = 24 // px 0..80 by 2","label":null,"prefix":null,"suffix":"px","section":"Container","hidden":false,"hero":false,"slider":{"min":0,"max":80,"step":2},"value":24},{"text":"# Grid Calculations","label":null,"prefix":null,"suffix":null,"section":"Grid Calculations","hidden":false,"hero":false,"slider":null,"value":null},{"text":"total gap space = gap * (columns - 1) // px","label":null,"prefix":null,"suffix":"px","section":"Grid Calculations","hidden":false,"hero":false,"slider":null,"value":264},{"text":"column width = round((container width - total gap space) / columns * 100) / 100 // px @hero","label":null,"prefix":null,"suffix":"px","section":"Grid Calculations","hidden":false,"hero":true,"slider":null,"value":78},{"text":"# Span Widths","label":null,"prefix":null,"suffix":null,"section":"Span 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Calculation","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"ranks to ascend = target rank - current rank // @hidden","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":true,"hero":false,"slider":null,"value":2},{"text":"total materials needed = base material cost * (cost multiplier per rank ^ ranks to ascend) // @hero","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":true,"slider":null,"value":40}]},{"id":"hex-binary-converter","title":"Hex/Binary Converter","description":"Convert between decimal, hex, and binary with bitwise operations.","category":"programming","icon":"code","tags":["hex","binary","decimal","conversion","bitwise"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.850Z"},"rows":[{"text":"# 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Details","hidden":false,"hero":false,"slider":{"min":500,"max":200000,"step":500},"value":25000},{"text":"annual interest rate = 6.5 // % 0.5..30 by 0.1","label":null,"prefix":null,"suffix":"%","section":"Loan Details","hidden":false,"hero":false,"slider":{"min":0.5,"max":30,"step":0.1},"value":6.5},{"text":"monthly payment = $500 // 50..5000 by 25","label":null,"prefix":"$","suffix":null,"section":"Loan Details","hidden":false,"hero":false,"slider":{"min":50,"max":5000,"step":25},"value":500},{"text":"# Calculations","label":null,"prefix":null,"suffix":null,"section":"Calculations","hidden":false,"hero":false,"slider":null,"value":null},{"text":"monthly rate = annual_interest_rate / 100 / 12","label":null,"prefix":null,"suffix":null,"section":"Calculations","hidden":false,"hero":false,"slider":null,"value":0.005416666666666667},{"text":"months to pay off = -ln(1 - (current_balance * monthly_rate / monthly_payment)) / ln(1 + 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14.7","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":14.7},{"text":"lunar_cycle_days = 29.53","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":29.53},{"text":"illumination_percentage = (1 - cos(2 * pi * days_since_new_moon / lunar_cycle_days)) / 2 * 100","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.07448252690752}]},{"id":"mac-address-format","title":"Mac Address Format","description":"Quick and accurate Mac Address Format calculator for instant results.","category":"other","icon":"calculator","tags":["mac","address","format"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.238Z"},"rows":[{"text":"# MAC address is 48 bits","label":null,"prefix":null,"suffix":null,"section":"MAC address is 48 bits","hidden":false,"hero":false,"slider":null,"value":null},{"text":"bits = 48 // 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altitude.","category":"science","icon":"plane","tags":["science","physics","aero"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.239Z"},"rows":[{"text":"object_speed_m_per_s = 600 // m/s","label":null,"prefix":null,"suffix":"m/s","section":null,"hidden":false,"hero":false,"slider":null,"value":600},{"text":"ambient_temperature_celsius = -50 // C (high altitude)","label":null,"prefix":null,"suffix":"C (high altitude)","section":null,"hidden":false,"hero":false,"slider":null,"value":-50},{"text":"speed_of_sound = 331.3 * ((1 + ambient_temperature_celsius / 273.15)^0.5) // m/s","label":null,"prefix":null,"suffix":"m/s","section":null,"hidden":false,"hero":false,"slider":null,"value":299.44652601450616},{"text":"@hero mach_number = object_speed_m_per_s / speed_of_sound","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":true,"slider":null,"value":2.003696646562312}]},{"id":"macro-tracker","title":"Macro Tracker","description":"Split your daily calories into protein, carbs, and fat gram targets.","category":"health","icon":"chart-pie","tags":["macros","protein","carbs","fat","nutrition"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.849Z"},"rows":[{"text":"# Daily Targets","label":null,"prefix":null,"suffix":null,"section":"Daily Targets","hidden":false,"hero":false,"slider":null,"value":null},{"text":"daily calorie target = 2000 // cal 1000..5000 by 50","label":null,"prefix":null,"suffix":"cal","section":"Daily Targets","hidden":false,"hero":false,"slider":{"min":1000,"max":5000,"step":50},"value":2000},{"text":"# Macro Split","label":null,"prefix":null,"suffix":null,"section":"Macro Split","hidden":false,"hero":false,"slider":null,"value":null},{"text":"protein pct = 30 // % 5..60","label":null,"prefix":null,"suffix":"%","section":"Macro Split","hidden":false,"hero":false,"slider":{"min":5,"max":60,"step":1},"value":30},{"text":"carbs pct = 40 // % 5..70","label":null,"prefix":null,"suffix":"%","section":"Macro Split","hidden":false,"hero":false,"slider":{"min":5,"max":70,"step":1},"value":40},{"text":"fat pct = 100 - protein_pct - carbs_pct // %","label":null,"prefix":null,"suffix":"%","section":"Macro Split","hidden":false,"hero":false,"slider":null,"value":30},{"text":"# Grams Per Day","label":null,"prefix":null,"suffix":null,"section":"Grams Per Day","hidden":false,"hero":false,"slider":null,"value":null},{"text":"protein = daily calorie target * protein pct / 100 / 4 // g @hero","label":null,"prefix":null,"suffix":"g","section":"Grams Per Day","hidden":false,"hero":true,"slider":null,"value":150},{"text":"carbs = daily calorie target * carbs pct / 100 / 4 // g","label":null,"prefix":null,"suffix":"g","section":"Grams Per Day","hidden":false,"hero":false,"slider":null,"value":200},{"text":"fat = daily calorie target * fat pct / 100 / 9 // g","label":null,"prefix":null,"suffix":"g","section":"Grams Per 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0.25","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.25},{"text":"composite_score = earnings_yield + return_on_capital","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.37}]},{"id":"magnetic-force-moving-charge","title":"Magnetic Force Moving Charge","description":"Quick and accurate Magnetic Force Moving Charge calculator for instant results.","category":"education","icon":"book-open","tags":["magnetic","force","moving","charge"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.239Z"},"rows":[{"text":"charge = 1.6e-19 // Coulombs (proton)","label":null,"prefix":null,"suffix":"Coulombs (proton)","section":null,"hidden":false,"hero":false,"slider":null,"value":1.6e-19},{"text":"velocity = 1e6 // m/s","label":null,"prefix":null,"suffix":"m/s","section":null,"hidden":false,"hero":false,"slider":null,"value":1000000},{"text":"magnetic_field = 0.5 // Tesla","label":null,"prefix":null,"suffix":"Tesla","section":null,"hidden":false,"hero":false,"slider":null,"value":0.5},{"text":"angle_degrees = 90 // degrees","label":null,"prefix":null,"suffix":"degrees","section":null,"hidden":false,"hero":false,"slider":null,"value":90},{"text":"@hero magnetic_force = charge * velocity * magnetic_field * sin(angle_degrees * pi / 180) // Newtons","label":null,"prefix":null,"suffix":"Newtons","section":null,"hidden":false,"hero":true,"slider":null,"value":2.1929706873635433e-15}]},{"id":"marathon-split-projector","title":"Marathon Split Projector","description":"Quick and accurate Marathon Split Projector calculator for instant results.","category":"productivity","icon":"clock","tags":["marathon","split","projector","productivity"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.239Z"},"rows":[{"text":"target_finish_time_hours = 4","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":4},{"text":"target_finish_time_minutes = 0","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0},{"text":"total_minutes = (target_finish_time_hours * 60) + target_finish_time_minutes","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":240},{"text":"@hero mile_split_minutes = total_minutes / 26.2","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":true,"slider":null,"value":9.16030534351145}]},{"id":"marketing-cpa-calculator","title":"Marketing Cpa Calculator","description":"Quick and accurate Marketing Cpa Calculator calculator for instant 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100)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":true,"slider":null,"value":9.614709844115207}]},{"id":"photography-print-resolution","title":"Photography Print Resolution","description":"Quick and accurate Photography Print Resolution calculator for instant results.","category":"other","icon":"calculator","tags":["photography","print","resolution"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"# Image Stats","label":null,"prefix":null,"suffix":null,"section":"Image Stats","hidden":false,"hero":false,"slider":null,"value":null},{"text":"width pixels = 6000","label":null,"prefix":null,"suffix":null,"section":"Image Stats","hidden":false,"hero":false,"slider":null,"value":6000},{"text":"height pixels = 4000","label":null,"prefix":null,"suffix":null,"section":"Image Stats","hidden":false,"hero":false,"slider":null,"value":4000},{"text":"# Print settings","label":null,"prefix":null,"suffix":null,"section":"Print settings","hidden":false,"hero":false,"slider":null,"value":null},{"text":"desired dpi = 300 // dots per inch","label":null,"prefix":null,"suffix":"dots per inch","section":"Print settings","hidden":false,"hero":false,"slider":null,"value":300},{"text":"# Calculation","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"max print width = width pixels / desired dpi // inches @hero","label":null,"prefix":null,"suffix":"inches","section":"Calculation","hidden":false,"hero":true,"slider":null,"value":20},{"text":"max print height = height pixels / desired dpi // inches @hero","label":null,"prefix":null,"suffix":"inches","section":"Calculation","hidden":false,"hero":true,"slider":null,"value":13.333333333333334},{"text":"megapixels = (width pixels * height pixels) / 1000000 // MP @hero","label":null,"prefix":null,"suffix":"MP","section":"Calculation","hidden":false,"hero":true,"slider":null,"value":24}]},{"id":"picking-productivity-lines-per-hour","title":"Picking Productivity","description":"Measure how many order lines are picked per labor hour.","category":"business","icon":"list","tags":["picking","productivity","lines","per","hour"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"totalLinesPicked = 1200 // lines","label":null,"prefix":null,"suffix":"lines","section":null,"hidden":false,"hero":false,"slider":null,"value":1200},{"text":"totalHoursWorked = 40 // hours","label":null,"prefix":null,"suffix":"hours","section":null,"hidden":false,"hero":false,"slider":null,"value":40},{"text":"pickingProductivity = totalLinesPicked / totalHoursWorked","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":30}]},{"id":"pickling-vinegar-ratio","title":"Pickling Vinegar Ratio","description":"Quick and accurate Pickling Vinegar Ratio calculator for instant results.","category":"math","icon":"ratio","tags":["pickling","vinegar","ratio","math"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"vinegar_volume_cups = 2","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":2},{"text":"water_volume_cups = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"vinegar_acidity_percent = 5","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":5},{"text":"total_volume_cups = vinegar_volume_cups + water_volume_cups","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":3},{"text":"@hero final_acidity_percent = (vinegar_volume_cups * vinegar_acidity_percent) / total_volume_cups","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":true,"slider":null,"value":3.3333333333333335}]},{"id":"picture-frame-mat-size","title":"Picture Frame Mat Size","description":"Calculate mat and frame dimensions for a photo.","category":"design","icon":"frame","tags":["design","art","framing"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"photo_width_inches = 8 // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":false,"slider":null,"value":8},{"text":"photo_height_inches = 10 // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":false,"slider":null,"value":10},{"text":"mat_border_inches = 2 // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":false,"slider":null,"value":2},{"text":"@hero frame_opening_width = photo_width_inches + (2 * mat_border_inches) // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":true,"slider":null,"value":12},{"text":"frame_opening_height = photo_height_inches + (2 * mat_border_inches) // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":false,"slider":null,"value":14}]},{"id":"pilot-crosswind-component","title":"Pilot Crosswind Component","description":"Quick and accurate Pilot Crosswind Component calculator for instant results.","category":"science","icon":"flask-conical","tags":["pilot","crosswind","component","science"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"wind_speed_knots = 20","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":20},{"text":"wind_angle_degrees = 45","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":45},{"text":"@hero crosswind_component_knots = wind_speed_knots * sin(wind_angle_degrees * 3.14159 / 180)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":true,"slider":null,"value":0.274146860546511}]},{"id":"piotroski-f-score","title":"Piotroski F Score","description":"Quick and accurate Piotroski F Score calculator for instant results.","category":"other","icon":"calculator","tags":["piotroski","score"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"net_income_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"operating_cash_flow_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"return_on_assets_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"accruals_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"leverage_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"liquidity_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"equity_issuance_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"gross_margin_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"asset_turnover_score = 1","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"total_f_score = net_income_score + operating_cash_flow_score + return_on_assets_score + accruals_score + leverage_score + liquidity_score + equity_issuance_score + gross_margin_score + asset_turnover_score","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":9}]},{"id":"pipe-flow","title":"Pipe Flow","description":"Calculate flow velocity, Reynolds number, and pressure drop through pipes.","category":"engineering","icon":"droplet","tags":["pipe","flow","hydraulic","pressure","reynolds"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.850Z"},"rows":[{"text":"# Pipe Dimensions","label":null,"prefix":null,"suffix":null,"section":"Pipe Dimensions","hidden":false,"hero":false,"slider":null,"value":null},{"text":"pipe inner diameter = 4 // in 0.5..24 by 0.5","label":null,"prefix":null,"suffix":"in","section":"Pipe Dimensions","hidden":false,"hero":false,"slider":{"min":0.5,"max":24,"step":0.5},"value":4},{"text":"pipe length = 100 // ft 10..5000 by 10","label":null,"prefix":null,"suffix":"ft","section":"Pipe Dimensions","hidden":false,"hero":false,"slider":{"min":10,"max":5000,"step":10},"value":100},{"text":"surface roughness = 0.00015 // ft 0.00001..0.01 by 0.00001","label":null,"prefix":null,"suffix":"ft","section":"Pipe Dimensions","hidden":false,"hero":false,"slider":{"min":0.00001,"max":0.01,"step":0.00001},"value":0.00015},{"text":"# Flow","label":null,"prefix":null,"suffix":null,"section":"Flow","hidden":false,"hero":false,"slider":null,"value":null},{"text":"flow rate = 100 // GPM 1..2000","label":null,"prefix":null,"suffix":"GPM","section":"Flow","hidden":false,"hero":false,"slider":{"min":1,"max":2000,"step":20},"value":100},{"text":"diameter ft = pipe_inner_diameter / 12","label":null,"prefix":null,"suffix":null,"section":"Flow","hidden":false,"hero":false,"slider":null,"value":0.3333333333333333},{"text":"cross section area = PI * (diameter_ft / 2)^2 // ft²","label":null,"prefix":null,"suffix":"ft²","section":"Flow","hidden":false,"hero":false,"slider":null,"value":0.08726646259971647},{"text":"flow cfs = flow_rate / 449","label":null,"prefix":null,"suffix":null,"section":"Flow","hidden":false,"hero":false,"slider":null,"value":0.22271714922049},{"text":"flow velocity = flow_cfs / cross_section_area // ft/s @hero","label":null,"prefix":null,"suffix":"ft/s","section":"Flow","hidden":false,"hero":true,"slider":null,"value":2.5521505351038902},{"text":"# Head Loss (Darcy-Weisbach approx)","label":null,"prefix":null,"suffix":null,"section":"Head Loss (Darcy-Weisbach approx)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"reynolds number = flow_velocity * diameter_ft / 0.0000141","label":null,"prefix":null,"suffix":null,"section":"Head Loss (Darcy-Weisbach approx)","hidden":false,"hero":false,"slider":null,"value":60334.52801664043},{"text":"friction factor approx = 0.025 // 0.005..0.1 by 0.001","label":null,"prefix":null,"suffix":null,"section":"Head Loss (Darcy-Weisbach approx)","hidden":false,"hero":false,"slider":{"min":0.005,"max":0.1,"step":0.001},"value":0.025},{"text":"head loss = friction_factor_approx * (pipe_length / diameter_ft) * (flow_velocity^2) / (2 * 32.2) // ft","label":null,"prefix":null,"suffix":"ft","section":"Head Loss (Darcy-Weisbach approx)","hidden":false,"hero":false,"slider":null,"value":0.7585565629461652},{"text":"pressure drop = head_loss * 0.433 // psi","label":null,"prefix":null,"suffix":"psi","section":"Head Loss (Darcy-Weisbach approx)","hidden":false,"hero":false,"slider":null,"value":0.32845499175568954}]},{"id":"pipe-pressure-drop-hazen-williams","title":"Pipe Pressure Drop","description":"Calculate pressure loss in pipes using Hazen-Williams.","category":"engineering","icon":"droplet","tags":["engineering","plumbing","fluids"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"flow_rate_gpm = 50 // gallons per minute","label":null,"prefix":null,"suffix":"gallons per minute","section":null,"hidden":false,"hero":false,"slider":null,"value":50},{"text":"pipe_diameter_inches = 2 // inches","label":null,"prefix":null,"suffix":"inches","section":null,"hidden":false,"hero":false,"slider":null,"value":2},{"text":"pipe_length_feet = 100 // feet","label":null,"prefix":null,"suffix":"feet","section":null,"hidden":false,"hero":false,"slider":null,"value":100},{"text":"roughness_coefficient_c = 140 // for PVC","label":null,"prefix":null,"suffix":"for PVC","section":null,"hidden":false,"hero":false,"slider":null,"value":140},{"text":"@hero pressure_drop_psi = 4.52 * pipe_length_feet * (flow_rate_gpm^1.85) / (roughness_coefficient_c^1.85 * pipe_diameter_inches^4.87) // psi","label":null,"prefix":null,"suffix":"psi","section":null,"hidden":false,"hero":true,"slider":null,"value":2.300805982491716}]},{"id":"pixel-converter","title":"Pixel Converter","description":"Convert between px, rem, em, and pt units.","category":"design","icon":"type","tags":["pixel","rem","em","font","css"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.855Z"},"rows":[{"text":"# Base Settings","label":null,"prefix":null,"suffix":null,"section":"Base Settings","hidden":false,"hero":false,"slider":null,"value":null},{"text":"base font size = 16 // px 8..32 by 1","label":null,"prefix":null,"suffix":"px","section":"Base Settings","hidden":false,"hero":false,"slider":{"min":8,"max":32,"step":1},"value":16},{"text":"pixel value = 24 // px 1..200 by 1","label":null,"prefix":null,"suffix":"px","section":"Base Settings","hidden":false,"hero":false,"slider":{"min":1,"max":200,"step":1},"value":24},{"text":"# Conversions","label":null,"prefix":null,"suffix":null,"section":"Conversions","hidden":false,"hero":false,"slider":null,"value":null},{"text":"rem value = round(pixel value / base font size * 10000) / 10000 // rem @hero","label":null,"prefix":null,"suffix":"rem","section":"Conversions","hidden":false,"hero":true,"slider":null,"value":1.5},{"text":"em value = round(pixel value / base font size * 10000) / 10000 // em @label(em (same as rem at root))","label":"em (same as rem at root)","prefix":null,"suffix":"em","section":"Conversions","hidden":false,"hero":false,"slider":null,"value":1.5},{"text":"pt value = round(pixel value * 0.75 * 100) / 100 // pt","label":null,"prefix":null,"suffix":"pt","section":"Conversions","hidden":false,"hero":false,"slider":null,"value":18},{"text":"# Reverse: rem to px","label":null,"prefix":null,"suffix":null,"section":"Reverse: rem to px","hidden":false,"hero":false,"slider":null,"value":null},{"text":"rem input = 1.5 // rem 0.1..20 by 0.1","label":null,"prefix":null,"suffix":"rem","section":"Reverse: rem to px","hidden":false,"hero":false,"slider":{"min":0.1,"max":20,"step":0.1},"value":1.5},{"text":"px from rem = round(rem input * base font size * 10) / 10 // px @label(px from rem)","label":"px from rem","prefix":null,"suffix":"px","section":"Reverse: rem to px","hidden":false,"hero":false,"slider":null,"value":24},{"text":"# Common Sizes","label":null,"prefix":null,"suffix":null,"section":"Common Sizes","hidden":false,"hero":false,"slider":null,"value":null},{"text":"px for 1rem = base font size // px","label":null,"prefix":null,"suffix":"px","section":"Common Sizes","hidden":false,"hero":false,"slider":null,"value":16},{"text":"px for 0.875rem = round(0.875 * base font size * 10) / 10 // px @label(0.875rem in px (small text))","label":"0.875rem in px (small text)","prefix":null,"suffix":"px","section":"Common Sizes","hidden":false,"hero":false,"slider":null,"value":14},{"text":"px for 1.25rem = round(1.25 * base font size * 10) / 10 // px @label(1.25rem in px (large text))","label":"1.25rem in px (large text)","prefix":null,"suffix":"px","section":"Common Sizes","hidden":false,"hero":false,"slider":null,"value":20}]},{"id":"pizza-slice-angle","title":"Pizza Slice Angle","description":"Quick and accurate Pizza Slice Angle calculator for instant results.","category":"everyday","icon":"smile","tags":["pizza","slice","angle"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"number_of_slices = 8","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":8},{"text":"angle_degrees = 360 / number_of_slices","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":45}]},{"id":"pizza-value","title":"Pizza Value","description":"Compare pizza sizes to find the best deal per square inch.","category":"everyday","icon":"pizza","tags":["pizza","value","size","comparison"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.854Z"},"rows":[{"text":"# Small Pizza","label":null,"prefix":null,"suffix":null,"section":"Small Pizza","hidden":false,"hero":false,"slider":null,"value":null},{"text":"small diameter = 10 // inches 6..16","label":null,"prefix":null,"suffix":"inches","section":"Small Pizza","hidden":false,"hero":false,"slider":{"min":6,"max":16,"step":0.1},"value":10},{"text":"$small price = 9.99 // 4..30 by 0.01","label":null,"prefix":"$","suffix":null,"section":"Small Pizza","hidden":false,"hero":false,"slider":{"min":4,"max":30,"step":0.01},"value":9.99},{"text":"small area = round(3.14159 * (small diameter / 2)^2 * 10) / 10 // sq in","label":null,"prefix":null,"suffix":"sq in","section":"Small Pizza","hidden":false,"hero":false,"slider":null,"value":78.5},{"text":"# Large Pizza","label":null,"prefix":null,"suffix":null,"section":"Large Pizza","hidden":false,"hero":false,"slider":null,"value":null},{"text":"large diameter = 16 // inches 10..24","label":null,"prefix":null,"suffix":"inches","section":"Large Pizza","hidden":false,"hero":false,"slider":{"min":10,"max":24,"step":0.2},"value":16},{"text":"$large price = 16.99 // 8..40 by 0.01","label":null,"prefix":"$","suffix":null,"section":"Large Pizza","hidden":false,"hero":false,"slider":{"min":8,"max":40,"step":0.01},"value":16.99},{"text":"large area = round(3.14159 * (large diameter / 2)^2 * 10) / 10 // sq in","label":null,"prefix":null,"suffix":"sq in","section":"Large Pizza","hidden":false,"hero":false,"slider":null,"value":201.1},{"text":"# Value Comparison","label":null,"prefix":null,"suffix":null,"section":"Value Comparison","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$small price per sq in = round(small price / small area * 1000) / 1000 // @label(Small: Price Per Sq Inch)","label":"Small: Price Per Sq Inch","prefix":"$","suffix":null,"section":"Value Comparison","hidden":false,"hero":false,"slider":null,"value":0.127},{"text":"$large price per sq in = round(large price / large area * 1000) / 1000 // @label(Large: Price Per Sq Inch)","label":"Large: Price Per Sq Inch","prefix":"$","suffix":null,"section":"Value Comparison","hidden":false,"hero":false,"slider":null,"value":0.084},{"text":"large vs small area = round(large area / small area * 10) / 10 // x more pizza @hero @label(Large Has X Times More Pizza)","label":"Large Has X Times More Pizza","prefix":null,"suffix":"x more pizza","section":"Value Comparison","hidden":false,"hero":true,"slider":null,"value":2.6},{"text":"$savings per sq in = round((small price per sq in - large price per sq in) * 1000) / 1000 // @label(You Save Per Sq Inch With Large)","label":"You Save Per Sq Inch With Large","prefix":"$","suffix":null,"section":"Value Comparison","hidden":false,"hero":false,"slider":null,"value":0.043}]},{"id":"planetary-equilibrium-temperature","title":"Planetary Equilibrium Temperature","description":"Quick and accurate Planetary Equilibrium Temperature calculator for instant results.","category":"science","icon":"globe","tags":["planetary","equilibrium","temperature"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.248Z"},"rows":[{"text":"distance_au = 1.0","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"albedo = 0.3","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.3},{"text":"star_luminosity_solar = 1.0","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1},{"text":"temperature_kelvin = 278 * (star_luminosity_solar^0.25) * sqrt((1 - albedo) / distance_au)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":232.59148737647303}]},{"id":"planetary-periods","title":"Planetary Periods","description":"Compare a planet's rotation and orbital period — when a day exceeds a year.","category":"science","icon":"globe","tags":["astronomy","planets","rotation","orbit","venus"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.857Z"},"rows":[{"text":"# Planet (default: Venus)","label":null,"prefix":null,"suffix":null,"section":"Planet (default: Venus)","hidden":false,"hero":false,"slider":null,"value":null},{"text":"rotation days = 243 // Earth days 0.1..10000 by 0.1","label":null,"prefix":null,"suffix":"Earth days","section":"Planet (default: Venus)","hidden":false,"hero":false,"slider":{"min":0.1,"max":10000,"step":0.1},"value":243},{"text":"orbital days = 224.7 // Earth days 0.1..100000 by 0.1","label":null,"prefix":null,"suffix":"Earth days","section":"Planet (default: Venus)","hidden":false,"hero":false,"slider":{"min":0.1,"max":100000,"step":0.1},"value":224.7},{"text":"# Comparison","label":null,"prefix":null,"suffix":null,"section":"Comparison","hidden":false,"hero":false,"slider":null,"value":null},{"text":"day longer than year = rotation days - orbital days // days @hero @label(Day minus year (Earth days))","label":"Day minus year (Earth days)","prefix":null,"suffix":"days","section":"Comparison","hidden":false,"hero":true,"slider":null,"value":18.3},{"text":"ratio day to year = round(rotation days / orbital days, 3) // @label(Rotation ÷ orbit)","label":"Rotation ÷ orbit","prefix":null,"suffix":null,"section":"Comparison","hidden":false,"hero":false,"slider":null,"value":1.081},{"text":"# How Many \"Years\" in One \"Day\"","label":null,"prefix":null,"suffix":null,"section":"How Many \"Years\" in One \"Day\"","hidden":false,"hero":false,"slider":null,"value":null},{"text":"years per day = round(rotation days / orbital days, 3) // @label(Years per rotation)","label":"Years per rotation","prefix":null,"suffix":null,"section":"How Many \"Years\" in One \"Day\"","hidden":false,"hero":false,"slider":null,"value":1.081},{"text":"# Reference: Earth","label":null,"prefix":null,"suffix":null,"section":"Reference: Earth","hidden":false,"hero":false,"slider":null,"value":null},{"text":"earth rotation hours = 23.93 // hr @label(Earth sidereal day (hr))","label":"Earth sidereal day (hr)","prefix":null,"suffix":"hr","section":"Reference: Earth","hidden":false,"hero":false,"slider":null,"value":23.93},{"text":"earth orbit days = 365.25 // days @label(Earth orbit (days))","label":"Earth orbit (days)","prefix":null,"suffix":"days","section":"Reference: Earth","hidden":false,"hero":false,"slider":null,"value":365.25}]},{"id":"planetary-surface-gravity","title":"Planetary Surface Gravity","description":"Quick and accurate Planetary Surface Gravity calculator for instant 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2","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.25},{"text":"slope = slope_percent / 100","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":0.01},{"text":"velocity_feet_per_second = (1.486 / roughness_coefficient) * hydraulic_radius^(2/3) * slope^0.5","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":4.536303775432201},{"text":"@hero flow_capacity_cubic_feet_per_second = velocity_feet_per_second * area_square_feet","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":true,"slider":null,"value":3.562801644465012}]},{"id":"streak-probability","title":"Streak Probability","description":"Approximate odds of a heads-streak of given length in N coin 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stripe_fixed_fee","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":3.2},{"text":"net_amount_received = transaction_amount - total_stripe_fees","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":96.8}]},{"id":"stroop-effect-delay","title":"Stroop Effect Delay","description":"Quick and accurate Stroop Effect Delay calculator for instant results.","category":"health","icon":"brain","tags":["stroop","effect","delay"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:38:54.263Z"},"rows":[{"text":"congruent_time_ms = 800","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":800},{"text":"incongruent_time_ms = 1200","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":1200},{"text":"interference_delay = incongruent_time_ms - 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@hero","label":null,"prefix":null,"suffix":"years","section":"Calculations","hidden":false,"hero":true,"slider":null,"value":9.3},{"text":"# Cost Summary","label":null,"prefix":null,"suffix":null,"section":"Cost Summary","hidden":false,"hero":false,"slider":null,"value":null},{"text":"$total_paid = round(monthly_payment * months_to_payoff * 100) / 100","label":null,"prefix":"$","suffix":null,"section":"Cost Summary","hidden":false,"hero":false,"slider":null,"value":44835.23},{"text":"$total_interest = round((total_paid - loan_balance) * 100) / 100","label":null,"prefix":"$","suffix":null,"section":"Cost Summary","hidden":false,"hero":false,"slider":null,"value":9835.23},{"text":"interest_pct = round((total_interest / loan_balance) * 100 * 10) / 10 // % of principal","label":null,"prefix":null,"suffix":"% of principal","section":"Cost Summary","hidden":false,"hero":false,"slider":null,"value":28.1}]},{"id":"study-hours","title":"Study Hours","description":"Plan weekly study hours based on credit load.","category":"education","icon":"clock","tags":["study","hours","time","planning"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.853Z"},"rows":[{"text":"# Course Load","label":null,"prefix":null,"suffix":null,"section":"Course Load","hidden":false,"hero":false,"slider":null,"value":null},{"text":"credit_hours = 15 // 6..21","label":null,"prefix":null,"suffix":null,"section":"Course Load","hidden":false,"hero":false,"slider":{"min":6,"max":21,"step":0.2},"value":15},{"text":"study_ratio = 2.5 // hrs per credit 1..4 by 0.5","label":null,"prefix":null,"suffix":"hrs per credit","section":"Course Load","hidden":false,"hero":false,"slider":{"min":1,"max":4,"step":0.5},"value":2.5},{"text":"# Weekly Schedule","label":null,"prefix":null,"suffix":null,"section":"Weekly Schedule","hidden":false,"hero":false,"slider":null,"value":null},{"text":"weekly_study_hours = credit_hours * study_ratio // hrs @hero","label":null,"prefix":null,"suffix":"hrs","section":"Weekly Schedule","hidden":false,"hero":true,"slider":null,"value":37.5},{"text":"weekly_class_hours = credit_hours","label":null,"prefix":null,"suffix":null,"section":"Weekly Schedule","hidden":false,"hero":false,"slider":null,"value":15},{"text":"total_weekly_hours = weekly_study_hours + weekly_class_hours // hrs","label":null,"prefix":null,"suffix":"hrs","section":"Weekly Schedule","hidden":false,"hero":false,"slider":null,"value":52.5},{"text":"# Daily Breakdown","label":null,"prefix":null,"suffix":null,"section":"Daily Breakdown","hidden":false,"hero":false,"slider":null,"value":null},{"text":"study_days_per_week = 6 // 5..7","label":null,"prefix":null,"suffix":null,"section":"Daily Breakdown","hidden":false,"hero":false,"slider":{"min":5,"max":7,"step":0.02},"value":6},{"text":"daily_study_hours = round(weekly_study_hours / study_days_per_week * 10) / 10 // hrs","label":null,"prefix":null,"suffix":"hrs","section":"Daily 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vegetation/soil","label":null,"prefix":null,"suffix":"vegetation/soil","section":null,"hidden":false,"hero":false,"slider":null,"value":0.25},{"text":"solar_radiation_w_m2 = 800 // watts per m2","label":null,"prefix":null,"suffix":"watts per m2","section":null,"hidden":false,"hero":false,"slider":null,"value":800},{"text":"urban_absorption = solar_radiation_w_m2 * (1 - urban_albedo)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":680},{"text":"rural_absorption = solar_radiation_w_m2 * (1 - rural_albedo)","label":null,"prefix":null,"suffix":null,"section":null,"hidden":false,"hero":false,"slider":null,"value":600},{"text":"@hero radiation_difference_w_m2 = urban_absorption - rural_absorption // W/m2","label":null,"prefix":null,"suffix":"W/m2","section":null,"hidden":false,"hero":true,"slider":null,"value":80},{"text":"estimated_temp_increase_celsius = radiation_difference_w_m2 / 15 // rough 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Calculation","label":null,"prefix":null,"suffix":null,"section":"Calculation","hidden":false,"hero":false,"slider":null,"value":null},{"text":"# Each special character takes 3 bytes instead of 1","label":null,"prefix":null,"suffix":null,"section":"Each special character takes 3 bytes instead of 1","hidden":false,"hero":false,"slider":null,"value":null},{"text":"special count = string length * (percent special characters / 100) // @hidden","label":null,"prefix":null,"suffix":null,"section":"Each special character takes 3 bytes instead of 1","hidden":true,"hero":false,"slider":null,"value":20},{"text":"normal count = string length - special count // @hidden","label":null,"prefix":null,"suffix":null,"section":"Each special character takes 3 bytes instead of 1","hidden":true,"hero":false,"slider":null,"value":80},{"text":"original size bytes = string length // @hidden","label":null,"prefix":null,"suffix":null,"section":"Each special character takes 3 bytes instead of 1","hidden":true,"hero":false,"slider":null,"value":100},{"text":"encoded size bytes = normal count + (special count * 3) // @hero","label":null,"prefix":null,"suffix":null,"section":"Each special character takes 3 bytes instead of 1","hidden":false,"hero":true,"slider":null,"value":140},{"text":"size increase percent = ((encoded size bytes / original size bytes) - 1) * 100 // % @hero","label":null,"prefix":null,"suffix":"%","section":"Each special character takes 3 bytes instead of 1","hidden":false,"hero":true,"slider":null,"value":40}]},{"id":"utility-cost","title":"Utility Cost","description":"Estimate monthly utility costs for a home.","category":"real-estate","icon":"zap","tags":["utility","electric","gas","monthly"],"featured":false,"provenance":{"status":"draft","updatedAt":"2026-05-13T20:40:38.854Z"},"rows":[{"text":"# Home Details","label":null,"prefix":null,"suffix":null,"section":"Home Details","hidden":false,"hero":false,"slider":null,"value":null},{"text":"square footage 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Everyday.