HyperformulaA complete, open-source Excel-like calculation engine written in TypeScript. Includes 380+ built-in functions. Maintained by the Handsontable team⚡
CsharpmathLaTeX. in C#. (ported from the wonderful iosMath project).
Calx.jsjQuery Calx - a jQuery plugin for creating formula-based calculation form
FormulaA functional reactive framework for managing state and side effects based on RxJava.
Funmath☔️ Implementations of mathematical functions, formulas and concepts
Formula ParserParsing and evaluating mathematical formulas given as strings.
MatexPHP Mathematical expression parser and evaluator
LuckysheetLuckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
P5jsSimplex Noise & WebGL with p5js from Processing.Org
Dentakumath and logic formula parser and evaluator
ReogridFast and powerful .NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. Compatible with Excel 2007 (.xlsx) format and working on .NET 3.5 (or client profile), WPF and Android platform.
PysmtpySMT: A library for SMT formulae manipulation and solving
Wpf Math.NET library for rendering mathematical formulae using the LaTeX typsetting style, for the WPF framework
JaceJace.NET is a calculation engine for the .NET platform.
ExcelizeGolang library for reading and writing Microsoft Excel™ (XLSX) files.
keisanA Ruby-based expression parser, evaluator, and programming language
pnglatexCreate PNG Images from LaTeX Formulas
gunning-fogFormula to detect the ease of reading a text according to the Gunning fog index (1952)
Excel2Objectexcel convert to .NET Object | Excel与.NET 对象进行转换,支持公式、多Sheet等功能
xlsx-calcjavascript nodejs excel formula parser
vioplotDevelopment version of vioplot R package (CRAN maintainer)
ToolGood.AlgorithmSupport four arithmetic operations, Excel formulas, and support custom parameters. 支持四则运算、Excel公式语法,并支持自定义参数。
hcv-color🌈 Color model HCV/HCG is an alternative to HSV and HSL, derived by Munsell color system, usable for Dark and Light themes... 🌈
geodesy-phpGeodesy PHP - Port of some known geodesic/math functions for getting distance from a known point A to a known point B given their coordinates. It also supports conversion between units of length, Polar position to Cartesian coordinates, and different Reference Datums.
spreadsheetTypeScript/javascript spreadsheet parser, with formulas.
pretty-formulaA small Java library to parse mathematical formulas to LaTeX and display them as images
mSATA modular sat/smt solver with proof output.
f1-telemetry-clientA Node UDP client and telemetry parser for Codemaster's Formula 1 series of games