| G01EFF | Computes probabilities for the gamma distribution |
| G01FFF | Computes deviates for the gamma distribution |
| G02GDF | Fits a generalized linear model with gamma errors |
| G05SJF | Generates a vector of pseudorandom numbers from a gamma distribution |
| S14AAF | Gamma function |
| S14ABF | Log gamma function |
| S14AGF | Logarithm of the gamma function lnΓ(z) |
| S14BAF | Incomplete gamma functions P(a,x) and Q(a,x) |
| X01ABF | Provides the mathematical constant γ (Euler's constant) |