| d02gac | Ordinary differential equations solver, for simple nonlinear two-point boundary value problems, using a finite difference technique with deferred correction |
| d02gbc | Ordinary differential equations solver, for general linear two-point boundary value problems, using a finite difference technique with deferred correction |
| d02rac | Ordinary differential equations solver, for general nonlinear two-point boundary value problems, using a finite difference technique with deferred correction |