| d01anc | One-dimensional adaptive quadrature, finite interval, sine or cosine weight functions |
| d01snc | One-dimensional adaptive quadrature, finite interval, sine or cosine weight functions, thread-safe |
| 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 |
| d03ncc | Finite difference solution of the Black–Scholes equations |
| d03pcc | General system of parabolic PDEs, method of lines, finite differences, one space variable |
| d03phc | General system of parabolic PDEs, coupled DAEs, method of lines, finite differences, one space variable |
| d03ppc | General system of parabolic PDEs, coupled DAEs, method of lines, finite differences, remeshing, one space variable |
| d06cbc | Generates a sparsity pattern of a Finite Element matrix associated with a given mesh |