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32 packages found

Simple node.js expression parser and evaluator using shunting-yard and reverse polish notation algorithms

published version 0.9.3, 9 years ago3 dependents licensed under $MIT
17,074

Parse simple expressions, in a language of your own description

published version 1.1.8, 6 days ago6 dependents licensed under $BSD-2-Clause
15,966

Returns a postfix (Reverse Polish Notation) expression from an infix expression.

published version 0.0.3, 8 years ago0 dependents licensed under $MIT
4,544

Forth style syntax layer/compiler & CLI for the @thi.ng/pointfree DSL

published version 2.3.7, 8 days ago0 dependents licensed under $Apache-2.0
732

Move conditional logic out of source code and database triggers and into a reusable package, where explicit rules can be independently defined and managed.

published version 1.2.2, 5 years ago0 dependents licensed under $MIT
133

Boolean, Logical, And OR NOT Expression Parser

published version 1.0.3, 3 years ago1 dependents licensed under $MIT
122

Calculate a postfix (Reverse Polish Notation) expression.

published version 0.0.2, 8 years ago1 dependents licensed under $MIT
77

Convert math expressions between postfix (RPN) and infix notations and evaluate them

published version 1.0.0, 3 years ago0 dependents licensed under $MIT
61

Quick calculation from string

published version 1.0.14, 4 years ago0 dependents licensed under $MIT
45

Tokenizers for Infix strings. Only for SE-1222 (Data Structures) class, not for production use.

published version 0.1.1, 3 years ago0 dependents licensed under $MIT
28

infix to postfix converter

published version 3.0.2, 4 years ago0 dependents licensed under $ISC
32

Reverse Polish Notation - Javascript implementation

published version 0.1.0, 9 years ago0 dependents licensed under $MIT
30

Command-line RPN Calculator.

published version 1.1.0, 5 years ago0 dependents licensed under $Unlicense
27

rpn calculator

published version 2.0.0, 6 years ago1 dependents licensed under $ISC
20

Command line RPN calculator using math.js engine. example: '$ rpn 1 2 +'

published version 2.1.2, 6 years ago0 dependents licensed under $MIT
18

calculate a given RPN expression in javascript

published version 1.6.0, 5 years ago0 dependents licensed under $MIT
14

calculator for natural formula like "1+2+3" for result 6, support custom function like sqrt(20) also whatever you want

published version 1.3.6, 9 years ago0 dependents licensed under $MIT
16

calculator for natural formula like "1+2+3" for result 6, support custom function like sqrt(20) also whatever you want;add support pow

published version 0.2.3, 6 years ago0 dependents licensed under $MIT
14

Math Expression Evaluator

published version 0.9.1, 6 years ago0 dependents licensed under $zlib
12

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.

published version 0.1.6, 9 years ago0 dependents
11