node package manager
Love JavaScript? Your insights can make it even better. Take the 2017 JavaScript Ecosystem Survey ยป

incomplete-gamma

Incomplete Gamma

A set of functions for calculating the lower and upper incomplete gamma functions. An example: var incomplete = require('incomplete-gamma'); console.log(incomplete.lower(1.0, 2.0)); console.log(incomplete.upper(1.0, 2.0)); These should sum to 1