Documentation

Everything you need to know to master calculation.

The Basics

Quickstart Get up and running in 60 seconds.Full Reference All commands and features in one place.Basic Tips Core UI and interaction tips.Advanced Tips Power user features.

Math & Calculation

Graphing & Plotting Plot functions, set ranges, layer curves, add sliders.Fields & Vector Fields Heatmaps, surfaces, quivers — contours, flow, critical points, gradients.Calculus Derivatives, integrals, limits, and sums.Solving Equations Solve for unknowns, find roots, goal-seek.Unit Conversion Convert between thousands of physical units.Number Formatting Currency, percentages, and custom precision.

Industry Guides

Finance Loan payments, savings, and investments.Programming Hex, binary, and JS syntax.Excel compatibility Using familiar Excel-style formulas.Wolfram Alpha compatibility Solve, calculus, and linear algebra — paste it in.Science & Engineering Units, constants, complex numbers, and vectors.Construction Math Feet, inches, and tape measure arithmetic.

Platform Features

Presentation Mode Present calcs with clean layouts and styles.Sharing & Embedding Share, embed, and collaborate with permanent URLs.Explore Gallery Browse and discover calculator templates.URL Integrations GitHub, stateless data links, and live rooms.Themes Switch colors and typography across the app.

Apps & Offline

Offline Use How Instacalc works without a connection.Install as an App (PWA) Add Instacalc to your home screen or desktop.iOS App The native iOS app.Browser Extension Instacalc in Chrome and Edge.

About

Design Philosophy The principles behind how Instacalc works.Compare How Instacalc stacks up against other tools.vs Wolfram Alpha Specific comparison with Wolfram.

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