| a02cac | Addition of two complex numbers |
| a02cbc | Subtraction of two complex numbers |
| a02ccc | Multiplication of two complex numbers |
| a02cdc | Quotient of two complex numbers |
| a02cgc | Equality of two complex numbers |
| a02chc | Inequality of two complex numbers |
| c06ekc | Circular convolution or correlation of two real vectors |
| 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 |
| d06aac | Generates a two-dimensional mesh using a simple incremental method |
| d06abc | Generates a two-dimensional mesh using a Delaunay–Voronoi process |
| d06acc | Generates a two-dimensional mesh using an Advancing-front method |
| e01dac | Interpolating function, bicubic spline interpolant, two variables |
| e01sac | A function to generate a two-dimensional surface interpolating a set of data points, using either the method of Renka and Cline or the modified Shepard's method |
| e01sbc | A function to evaluate, at a set of points, the two-dimensional interpolant function generated by e01sac |
| e02dcc | Least-squares bicubic spline fit with automatic knot placement, two variables (rectangular grid) |
| e02ddc | Least-squares bicubic spline fit with automatic knot placement, two variables (scattered data) |
| f06yac | Matrix-matrix product, two real rectangular matrices |
| f06zac | Matrix-matrix product, two complex rectangular matrices |
| g07ddc | Trimmed and winsorized mean of a sample with estimates of the variances of the two means |