| S21BAF | Degenerate symmetrised elliptic integral of 1st kind RC(x,y) |
| S21BBF | Symmetrised elliptic integral of 1st kind RF(x,y,z) |
| S21BCF | Symmetrised elliptic integral of 2nd kind RD(x,y,z) |
| S21BDF | Symmetrised elliptic integral of 3rd kind RJ(x,y,z,r) |
| 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) |
| S21DAF | General elliptic integral of 2nd kind F(z,k′,a,b) of complex argument |