---
name: "gamma"
section: "3m"
platform: "linux"
package: "iraf"
version: "2.11.3-2"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://new.carta.tech/gamma/3m"
---

# gamma(3m)

## NAME

gamma

## DESCRIPTION

function gamma.f

source\
   Bevington, page 126.

purpose\
   calculate gamma function for integers and 1/2-integers

usage\
   result = gamma (x)

description of parameters\
   x      - integer or half-integer

subroutines or function subprograms required\
   factor (n)\
     calculates n factorial for integers