| C06FXF | Three-dimensional complex discrete Fourier transform |
| C06PXF | Three-dimensional complex discrete Fourier transform, complex data type |
| C06PYF | Three-dimensional real-to-complex discrete Fourier transform |
| C06PZF | Three-dimensional complex-to-real discrete Fourier transform |
| 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 coordinates |
| D03UBF | Elliptic PDE, solution of finite difference equations by SIP, seven-point three-dimensional molecule, one iteration |