Math.js – An Extensive Math Library For JavaScript & Node.js

math.js is an extensive math library for javascript and node.js which comes with an in-built expression parser which can perform computations on numbers, big numbers, complex numbers, units, and matrices.

features

• supports numbers, big numbers, complex numbers, units, strings, arrays, and matrices.
• is compatible with javascript’s built-in math library.
• contains a flexible expression parser.
• supports chained operations.
• comes with a large set of built-in functions and constants.
• has no dependencies. runs on any javascript engine.
• is easily extensible.

the whole library is very compact in size, weighing in at only 40kb minified & gzipped.