| S21BEF | Elliptic integral of 1st kind, Legendre form, F(φ|m) |
| S21BFF | Elliptic integral of 2nd kind, Legendre form, E (φ|m) |
| S21BGF | Elliptic integral of 3rd kind, Legendre form, Π (n ; φ|m) |
| S21BHF | Complete elliptic integral of 1st kind, Legendre form, K (m) |
| S21BJF | Complete elliptic integral of 2nd kind, Legendre form, E (m) |
| S22AAF | Legendre functions of 1st kind Pnm(x) or Pnm(x) |