| C06FXF | Three-dimensional complex discrete Fourier transform |
| C06PXF | Three-dimensional complex discrete Fourier transform, complex data format |
| D03ECF | Elliptic PDE, solution of finite difference equations by SIP for seven-point three-dimensional molecule, iterate to convergence |
| D03FAF | Elliptic PDE, Helmholtz equation, three-dimensional Cartesian co-ordinates |
| D03UBF | Elliptic PDE, solution of finite difference equations by SIP, seven-point three-dimensional molecule, one iteration |