File:FactoReal.jpg

Summary
{{Image notes $$\mathrm{factorial^{-1}(x)$$, green; $$\mathrm{factorial(x)^{-1}$$, blue. The first extremal points are marked with pink: $$\mathrm{factorial}'(\nu_n)=0$$; $$\mu_n=\mathrm{factorial}(\nu_n)$$.
 * Description=Graphic of factorial$$(x)=x!$$ versus real $$x$$, red;
 * Author= Dmitrii Kouznetsov
 * Date= January 2009
 * Source= FactoReal.jpg/code
 * Country first published in= Japan
 * Copyright holder=Dmitrii Kouznetsov
 * Notes=
 * Other versions=}}