Sylvester - Vector and Matrix math for JavaScript

Sylvester - Vector and Matrix math for JavaScript: "Sylvester is a JavaScript library designed to let you do mathematics with vectors and matrices without having to write lots of loops and throw piles of arrays around. It includes classes for modelling vectors and matrices in any number of dimensions, and for modelling infinite lines and planes in 3-dimensional space. It lets you write object-oriented easy-to-read code that mirrors the maths it represents. For example, it lets you multiply vectors together:"