| S21BAF | Degenerate symmetrised elliptic integral of 1st kind RCxy |
| S21BBF | Symmetrised elliptic integral of 1st kind RFxyz |
| S21BCF | Symmetrised elliptic integral of 2nd kind RDxyz |
| S21BDF | Symmetrised elliptic integral of 3rd kind RJxyzr |
| S21DAF | General elliptic integral of 2nd kind Fzk′ab of complex argument |