A curated list of open-source tools, libraries, and resources for mathematical computations, covering areas such as linear algebra, calculus, numerical methods, optimization, and visualization.

A matrix calculator built with Kivy, featuring step-by-step solutions and graph plotting. Compiled using Buildozer for cross-platform support.

A high-precision square root calculator written in Rust using the Malachite library. Supports both interactive and command-line modes, allowing users to compute the square root of any positive integer to an arbitrary number of decimal digits with fixed-point accuracy.

Step-by-step matrix calculator with PyQt6 GUI. Supports 2×2 and 3×3 matrix operations like addition, subtraction, multiplication, determinant, and inverse — with detailed step-by-step solutions for learning.

A fast and flexible CLI tool to compute Fibonacci numbers with support for large inputs, scientific and hexadecimal formats.

Convert between decimal and balanced ternary numbers. Bulk conversion is also available

A modern and lightweight calculator built with Python using CustomTkinter, featuring a clean UI and smooth button interactions

An interactive Streamlit app for curve fitting — fit straight lines, parabolas, and geometric curves to your data using least squares. Built with NumPy, Pandas, and Matplotlib.

A simple, responsive calculator built with HTML, CSS, and JavaScript. Supports basic arithmetic operations and provides a clean, easy-to-use interface.

Modern calculator suite with finance, math, science, and graphing tools.

DBS4MATHS est une application web polyvalente et conviviale qui regroupe une variété d'outils mathématiques en un seul endroit. L'application est développée en HTML, CSS, PHP et JavaScript, en respectant les principes de la conception responsive et le RGPD pour garantir une expérience sécurisée et accessible sur tous les appareils.

Educational Python toolkit for modular arithmetic — includes Bézout’s identity, modular inverses, congruence solving, CRT, and modular exponentiation. Optimized for lightweight Python environments.

Interactive 3D geometry volume comparison tool

Calculator Tools

Interactive student density & buoyancy explorer

Simple trig and calculus tools.

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Any math problem explained 5 ways — tailored for ADHD, dyslexia, visual learners, and more.

Matrix Calculator with Step-by-Step Solutions -- add, multiply, transpose matrices, compute determinants, inverses, and eigenvalues. Visual linear algebra tool, free and browser-based, no sign-up required.