| G01NAF | Cumulants and moments of quadratic forms in Normal variables |
| G01NBF | Moments of ratios of quadratic forms in Normal variables, and related statistics |
| G01PTF | Landau first moment function Φ1(x) |
| G01QTF | Landau second moment function Φ2(x) |
| G07BFF | Estimates parameter values of the generalized Pareto distribution |