| D03PCF | General system of parabolic PDEs, method of lines, finite differences, one space variable |
| D03PHF | General system of parabolic PDEs, coupled DAEs, method of lines, finite differences, one space variable |
| D03PPF | General system of parabolic PDEs, coupled DAEs, method of lines, finite differences, remeshing, one space variable |
| D03RAF | General system of second-order PDEs, method of lines, finite differences, remeshing, two space variables, rectangular region |
| D03RBF | General system of second-order PDEs, method of lines, finite differences, remeshing, two space variables, rectilinear region |
| G04DBF | Computes confidence intervals for differences between means computed by G04BBF or G04BCF |
| G13DLF | Multivariate time series, differences and/or transforms |