| D02GAF | ODEs, boundary value problem, finite difference technique with deferred correction, simple nonlinear problem |
| D02GBF | ODEs, boundary value problem, finite difference technique with deferred correction, general linear problem |
| D02RAF | ODEs, general nonlinear boundary value problem, finite difference technique with deferred correction, continuation facility |
| 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 |
| D03NCF | Finite difference solution of the Black–Scholes equations |
| 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 |
| F01CTF | Sum or difference of two real matrices, optional scaling and transposition |
| F01CWF | Sum or difference of two complex matrices, optional scaling and transposition |
| G07CAF | Computes t-test statistic for a difference in means between two Normal populations, confidence interval |