hari-narasimhan/jso-ee

A node.js package for Steven Levithan's excellent dateFormat() function.

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with different data types like numbers, big numbers, complex numbers, fractions, units, and matrices.

simple, flexible, fun test framework

Parse an ISO date string into a Date

A parser generator with Bison's API