| g01efc | Probabilities for the gamma distribution |
| g01ffc | Deviates for the gamma distribution |
| g02gdc | Fits a generalized linear model with gamma errors |
| g05ffc | Pseudo-random real numbers from the gamma distribution |
| g05lfc | Generates a vector of random numbers from a γ distribution, seeds and generator number passed explicitly |
| s14aac | Gamma function Γ(x) |