formula-parser

Reverse Polish Notation (RPN) CPP Library

Deterministic Excel-to-Python transpiler — extracts the computation graph from .xlsx workbooks and emits standalone Python scripts that reproduce the exact same numbers

A pure Standard ML spreadsheet engine: A1 addressing, recursive-descent formula parser, and dependency-ordered recalc with cycle detection (MLton + Poly/ML)

Formula tokenizer and evaluator

Clojure project for finding main conjunctions in first-order logic formulas.

Parser and Evaluator for basic math expressions

Mab.StringLibrary is set of class for parsing expression and formula, generating random string, Number to string coder and decoder for URL shorten and some other string extensions.

Formula rule execution methods using the sqlite3 database via the FMDatabase framework

It is an android app to perform calculaton

The npm packages of Wavelace, the animated maths visualiser: @wavelace/formula (LaTeX in, a fast JavaScript function out) and @wavelace/embed (its live plots in any page), each with a React subpath. MIT. Generated from the Wavelace source and published with provenance.

Java-библиотека для вычисления Excel-формул.

Chemical formula parser; supports nested parentheses, decimal and scientific notation, dot-separated hydrate parts, IUPAC symbol validation

Excel Clone | Advanced Spreadsheet Web App built with Vanilla JavaScript, HTML5 & CSS3 featuring Formula Engine, Multi-Sheet Management, Dynamic Grid Rendering, State Management, Cell Formatting, and Clipboard Operations.

MathPad+ is a lightweight mathematical expression playground powered by the ViewPoint evaluator. It enables users to create, test, and evaluate mathematical expressions, variables, and custom functions in an interactive environment.

A spreadsheet formula engine: Pratt parser, dependency graph, and incremental recalculation. Editing one cell in a 40,000-cell sheet recomputes 39.

Reveal hidden firmware values directly inside VS Code. Inline calculations • Macro value expansion • Engineering formulas • Unit conversions Live engineering knowledge embedded directly into firmware. Stop rebuilding firmware formulas in Excel ➡️ Reuse the originals directly.

Low-overhead C++17 expression parsing and evaluation library with arena allocation and customizable functions

A portable Markdown and mathematics runtime for humans, agents, and CLI.

CalculationEngine is a useful tool for calculating complex formulas.