Dave's Math Tables: Gamma Constant
(Math | OddsEnds | Constants | Gamma)

gamma = gamma = 0.5772156649 0153286061 ...

gamma = lim (n->inf) ( 1 + 1/2 + 1/3 + 1/4 + ... + 1/n - ln(n) ) = 0.5772156649...

gamma = - integral(0-inf) e^-x ln x dx

Gamma ' (1) = - gamma     (see Gamma Function)