Gamma function
The Gamma function is given by
- Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \Gamma (m) = 2\int_0^\infty e^{-r^2} r^{2m -1}~\mathrm{d}r}