Browse all apps

A reactive notepad calculator. Type math expressions and see results instantly — supports variables, functions, and unit conversions.

by grimalschi

Calculate derivatives of any math expression and see the result plotted on an interactive graph. Supports functions, constants, and complex expressions.

by PB2204

Test regular expressions with live highlighting. See matches, groups, and flags in real-time.

by Launch Arcade

Full scientific calculator with trig, log, and advanced operations.

by Launch Arcade

Create music from math — write tiny formulas that generate audio in real time. A bytebeat player for composing algorithmic music with just a few characters of code.

by BSquareII

An interactive JavaScript console. Type JavaScript, see results instantly. Perfect for experimenting and learning.

by openexchangerates