The names Γ and γ may refer to any of several distinct quantities or operations.

For the number 0.577215... (Euler's constant), see gamma.

For the Gamma function, see GAMMA.

For the Gamma distribution in statistics, see Statistics[Distributions][Gamma].

For adjusting the gamma of an image, see ImageTools[Gamma].

For the Dirac gamma matrices, see Physics[Dgamma].

For the Gamma process in finance, see Finance[GammaProcess].

For the risk measure Gamma under the Black-Scholes model, see Finance[BlackScholesGamma].

For the Digamma and Polygamma functions, see Psi.

$\mathrm{limit}\left(\left(\mathrm{sum}\left(\frac{1}{k}\,k=1..n\right)\right)-\log \left(n\right)\,n=\mathrm{\infty }\right)$

$\mathrm{\gamma }$

$\mathrm{evalf}\left[20\right]\left(\mathrm{\gamma }\right)$

$0.57721566490153286061$

$\mathrm{diff}\left(\mathrm{\Gamma }\left(x\right)\,x\right)$

$\mathrm{\Psi }\left(x\right)\mathrm{\Gamma }\left(x\right)$

$\mathrm{with}\left(\mathrm{Statistics}\right)\:$

$X≔\mathrm{RandomVariable}\left(\mathrm{GammaDistribution}\left(b\,c\right)\right)$

$X≔\mathrm{\_R}$

$\mathrm{Variance}\left(X\right)$

$b^{2}c$