| C06FUF | Two-dimensional complex discrete Fourier transform |
| C06PUF | Two-dimensional complex discrete Fourier transform, complex data format |
| 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 |
| D03UAF | Elliptic PDE, solution of finite difference equations by SIP, five-point two-dimensional molecule, one iteration |
| E02ZAF | Sort two-dimensional data into panels for fitting bicubic splines |