Features

Current Great Calculator feature surface.

Great Calculator brings everyday arithmetic, scientific math, graphing, fractions, unit conversion, money tools, time calculations, handwriting input, photo equation input, and optional Voice Math into one iPhone and iPad app.

Local-first historyCamera input is optionalVoice Math is optionalNo live ads
Release postureCurrent package
LocalHistory and settings
OptionalCamera, microphone, speech
On demandCurrency rates

Current release: local-first utility, optional camera/speech/currency features, no live ads, no account system.

Product areas

Features described here should match the exact submitted binary.

This page intentionally avoids placeholder, beta-only, or unavailable feature claims.

Everyday and scientific math

Basic, scientific, percent, fraction, permutation, graphing, geometry, grades, money, unit conversion, number tools, and time workflows.

Write and Photo input

Handwriting and camera-based equation input are processed in the app with Apple platform recognition frameworks and local repair logic.

Optional Voice Math

Microphone and speech recognition are used only when you choose spoken input for a math problem.

Money conversion

Live exchange-rate lookups are on demand; returned rates are cached locally to reduce repeat network requests.

Local history and preferences

Committed calculator history and display preferences stay on the device until you clear them or remove the app.

Universal layout

The app is configured for iPhone and iPad with portrait and landscape support.