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.
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Updated
Sep 6, 2026 - Python
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.
1216+ free online calculators: loan EMI, mortgage, BMI, calorie, percentage, unit converter & more — step-by-step solutions, charts, no signup. Fully client-side, MIT.
Always free field math and reference for the trades.
A matrix calculator built with Kivy, featuring step-by-step solutions and graph plotting. Compiled using Buildozer for cross-platform support.
Interactive Numerical Methods Solver for Root-Finding Algorithms (Bisection & False Position) built with Streamlit.
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.
Math Formula Helper Chrome Extension for calculus, derivatives, mathematical symbols, and LaTeX formula conversion.
A fast and flexible CLI tool to compute Fibonacci numbers with support for large inputs, scientific and hexadecimal formats.
🧮 High-performance open-source online calculator suite & 36+ free embeddable widgets. Decimal.js precision, offline PWA, 6 languages (EN/HE/ES/FR/AR/RU).
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.
Toolimi.com profile: 500+ free online tools—PDF (merge, compress, convert to Word/Excel), image (bg remover, resize, WebP), text (case convert, word count), dev (JSON, Base64, URL encode), math (scientific, percent), health (BMI), ecom (label crop), video (compress), SEO, encode/decode. Client-side, no signup, no install, privacy-first. toolimi.com
A interactive C console application that calculates the areas of various geometric shapes (Square, Rectangle, Triangle, Circle, and Trapezoid) using loops and math functions.
Convert between decimal and balanced ternary numbers. Bulk conversion is also available
A simple, responsive calculator built with HTML, CSS, and JavaScript. Supports basic arithmetic operations and provides a clean, easy-to-use interface.
CalculHub is a premium, all-in-one suite of advanced calculators and mathematical tools designed for accuracy, speed, and a sleek user experience. Built with the latest Angular v21 paradigms, it leverages reactive Signals, Standalone Components, high-performance Change Detection, and Server-Side Rendering (SSR) to provide.
Modern calculator suite with finance, math, science, and graphing tools.
Command line mathematical tool for dynamic matrix creation and linear algebra computations.
Educational Python toolkit for modular arithmetic — includes Bézout’s identity, modular inverses, congruence solving, CRT, and modular exponentiation. Optimized for lightweight Python environments.
Fast, private, ad-free online calculators and unit converters. 111+ client-side tools for everyday math, baking, and living.
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