| g01etc | Landau distribution function Phi (λ) |
| g01ftc | Landau inverse function Psi (x) |
| g01mtc | Landau density function phi (λ) |
| g01ptc | Landau first moment function Phi1 (x) |
| g01qtc | Landau second moment function Phi2 (x) |
| g01rtc | Landau derivative function phi ' (λ) |