A lightweight formula evaluator with dependency tracking and static analysis.
Spreadsheet formula engine for the browser — Excel-compatible formula evaluator compiled to WebAssembly
Spreadsheet formula engine for the browser — Excel-compatible formula evaluator compiled to WebAssembly
fast excel formula parser
A simple formula evaluator and rules parser
Node-RED formula evaluator - evaluate math expressions with named topic variables
Diagnose stale cached XLSX formula values and recalculate XLSX formulas in Node.js without Excel, LibreOffice, or browser automation.
Math and string formula parser.
Math and string formula parser.
Evaluate Content Security Policies for a wide range of bypasses and weaknesses
Parses and compiles CSS nth-checks to highly optimized functions.
A flexible math expression evaluator
An interpreter for Typescript that can evaluate an arbitrary Node within a Typescript AST
Formula evaluator for Moss with spreadsheet functions
Diagnose stale cached XLSX formula values and recalculate XLSX formulas in Node.js without Excel, LibreOffice, or browser automation.
Formula parsing, dependency management, and calculation engine for Univer.
Mathematical expression evaluator fork with exports map, prototype pollution and code injection security fixes
Performance-enhanced formula engine plugin for Univer Pro.
Formula parser
Sheet formula services and calculation integration for Univer Sheets.
Formula editing UI for Univer Sheets.
A simple SPARQL expression evaluator
Evaluator
Self-healing markdown. Intelligently parses and styles incomplete Markdown blocks.
Dentaku is a parser and evaluator for mathematical formulas
Gem defines basic grammar for formula builder and ability to execute formulas to get it results or sum them.
Dentaku is a parser and evaluator for mathematical formulas. All credit to Solomon White.
Hayadentaku ("haya" 速 = fast + "dentaku" 電卓 = calculator) is a speed-focused, drop-in compatible fork of Dentaku, a parser and evaluator for mathematical and logical formulas with run-time variable binding. The Ruby module name remains `Dentaku`, so you can swap the gem in your Gemfile without code changes.
Amoskeag is a purely functional, statically-validated Domain-Specific Language (DSL) designed for high-security, sandboxed evaluation. It's perfect for: - Business Rules Engines (insurance underwriting, loan approval) - Template Engines (secure alternative to ERB with more power than Liquid) - Spreadsheet Formula Engines (Excel-like calculations) This gem provides native Ruby bindings to the Amoskeag library, compiled from Rust for maximum performance and security.
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