mathkeyboardengine
MathKeyboardEngine provides the logic - in JavaScript and LaTeX - for a highly customizable virtual math keyboard.
@thi.ng/fuzzy
Fuzzy logic operators & configurable rule inferencing engine
numbers-logic
Tools used to understand or work with numbers in Node.JS, Javascript and derivatives.
evalexpr
A secure TypeScript expression evaluator for dynamic form validation and conditional logic with support for context variables, form fields, and custom functions