| g01nac | Cumulants and moments of quadratic forms in Normal variables |
| g01nbc | Moments of ratios of quadratic forms in Normal variables, and related statistics |
| g01ptc | Landau first moment function Φ1(x) |
| g01qtc | Landau second moment function Φ2(x) |
| g07bfc | Estimates parameter values of the generalized Pareto distribution |