❗Factorials!

by Ricardo Fernández Serrata

Version 1 (May 17, 2021)

Download (35 downloads)

Contains the standard and multi factorial functions with support for Real and/or negative numbers.

Float output doesn't match the Gamma function but it's quite close.

Stirling's Approximation (fast fact. for non-integers):
sqrt(2*Pi * x) * pow(x / exp(1), x)

Future: rising & falling facts. Also inverse functions of everything here.

ℹ en.wikipedia.org/wiki/Factorial

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