File:FactoReal.jpg

Summary
Title / Description: Graphic of factorial(x) = x! versus real x, red; factorial−1(x), green; factorial(x)−1, blue. The extremal points are marked with pink.

Author(s): Dmitrii Kouznetsov

Copyright holder: Dmitrii Kouznetsov

Date created: January 2009

Country of first publication: Japan

Source: Citizendium.