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Calculator App is a feature-rich terminal calculator written in Python. Install it once and run calc-app from any terminal to evaluate expressions, solve equations, work with fractions, and even toggle meme mode for a few internet-famous surprises.

Installation

Install Calculator App via pip and run your first calculation in under a minute.

Quickstart

See every major feature in action with a guided walkthrough of the REPL.

Features

Explore natural language, fractions, equation solving, variables, and more.

Reference

Full syntax reference, supported functions, and error message guide.

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What Calculator App Can Do

Natural Language

Type 9 squared or sqrt of 16 instead of formal notation.

Exact Fractions

Compute 1/2 + 1/3 or 2 1/2 + 3/4 with exact rational arithmetic.

Equation Solver

Solve linear and polynomial equations like 2x+4=10 automatically.

Variables

Assign x=5, then use x in any expression across the session.

Math Functions

Built-in sqrt, sin, cos, tan, log, pi, and e.

Meme Mode

Toggle meme mode for easter-egg responses on famous internet maths.

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Get Running in Seconds

1

Install the package

pip install calculator-app
2

Launch the REPL

calc-app
3

Enter your first expression

> 2 1/2 + 3/4
= 3 1/4

> 2x + 4 = 10
x = 3

> 9 squared
= 81
4

Quit when done

Type quit or press Ctrl+C to exit.
Calculator App requires Python 3.10 or later. See the Installation guide for full setup instructions and development installation steps.

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