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37 packages found
Parse simple expressions, in a language of your own description
Quick calculation from string
The shunting yard algorithm transforms a mathematical expression from infix notation into a reversed polish notation (postfix). This is a really extensible implementation.
Reverse Polish notation calculator
Convert infix to RPN notation, and solve it
A simple logical parser as an npm module
Reverse Polish Notation - Javascript implementation
Command-line RPN Calculator.
Forth style syntax layer/compiler & CLI for the @thi.ng/pointfree DSL
infix to postfix converter
Tokenizers for Infix strings. Only for SE-1222 (Data Structures) class, not for production use.
An expression tree system for node.js. This library provides methods to parse Reverse Polish Notation (RPN) and useful functions to analyse and work with expression trees.
revers polish notation calculator
!= a RPN calculator using math.js (http://mathjs.org/)
Simple node.js expression parser and evaluator using shunting-yard and reverse polish notation algorithms
calculator for natural formula like "1+2+3" for result 6, support custom function like sqrt(20) also whatever you want
Convert math expressions between postfix (RPN) and infix notations and evaluate them