relative-microtime

Get the number of microseconds elapsed since January 1, 1970 00:00:00 UTC without fear of clock drift

matrix-utilities

Tiny, high performance utilities for performing 2/3D matrix calculations. Full unit test coverage, compatible with Node/CommonJS, AMD, and browser globals.

@justkd/roll

Class representing a pseudorandom number manager. Includes Mersenne Twister uniform distribution, Box Mueller gaussian distribution, n-sided die rolling, history of variable max size, elementary statistics, and scale/clip/round convenience functions.