| D03EAF | Elliptic PDE, Laplace's equation, two-dimensional arbitrary domain |
| D03EBF | Elliptic PDE, solution of finite difference equations by SIP, five-point two-dimensional molecule, iterate to convergence |
| D03ECF | Elliptic PDE, solution of finite difference equations by SIP for seven-point three-dimensional molecule, iterate to convergence |
| D03EDF | Elliptic PDE, solution of finite difference equations by a multigrid technique |
| D03EEF | Discretize a second-order elliptic PDE on a rectangle |
| D03FAF | Elliptic PDE, Helmholtz equation, three-dimensional Cartesian co-ordinates |
| D03UAF | Elliptic PDE, solution of finite difference equations by SIP, five-point two-dimensional molecule, one iteration |
| D03UBF | Elliptic PDE, solution of finite difference equations by SIP, seven-point three-dimensional molecule, one iteration |
| 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) |
| S21CAF | Jacobian elliptic functions sn, cn and dn of real argument |
| S21CBF | Jacobian elliptic functions sn, cn and dn of complex argument |
| S21DAF | General elliptic integral of 2nd kind F(z,k′,a,b) of complex argument |