| D01BCF | Calculation of weights and abscissae for Gaussian quadrature rules, general choice of rule |
| D02LZF | Second-order ordinary differential equations, initial value problem, interpolation for D02LAF |
| D02MZF | Ordinary differential equations, initial value problem, interpolation for D02M–N routines (all integration methods), natural interpolant |
| D02QZF | Ordinary differential equations, initial value problem, interpolation for D02QFF or D02QGF |
| D02TYF | Ordinary differential equations, general nonlinear boundary value problem, interpolation for D02TKF |
| D02UWF | Interpolate a function from Chebyshev grid to uniform grid using barycentric Lagrange interpolation |
| D02XJF | Ordinary differential equations, initial value problem, interpolation for D02M–N routines (BLEND and BDF methods only), natural interpolant |
| D02XKF | Ordinary differential equations, initial value problem, interpolation for D02M–N routines, C1 interpolant |
| D03PYF | PDEs, spatial interpolation with D03PDF or D03PJF |
| D03PZF | PDEs, spatial interpolation with D03PCF, D03PEF, D03PFF, D03PHF, D03PKF, D03PLF, D03PPF, D03PRF or D03PSF |
| E01AAF | Interpolated values, Aitken's technique, unequally spaced data, one variable |
| E01ABF | Interpolated values, Everett's formula, equally spaced data, one variable |
| E01AEF | Interpolating functions, polynomial interpolant, data may include derivative values, one variable |
| E01BAF | Interpolating functions, cubic spline interpolant, one variable |
| E01BEF | Interpolating functions, monotonicity-preserving, piecewise cubic Hermite, one variable |
| E01BFF | Interpolated values, interpolant computed by E01BEF, function only, one variable |
| E01BGF | Interpolated values, interpolant computed by E01BEF, function and first derivative, one variable |
| E01BHF | Interpolated values, interpolant computed by E01BEF, definite integral, one variable |
| E01DAF | Interpolating functions, fitting bicubic spline, data on rectangular grid |
| E01RAF | Interpolating functions, rational interpolant, one variable |
| E01RBF | Interpolated values, evaluate rational interpolant computed by E01RAF, one variable |
| E01SAF | Interpolating functions, method of Renka and Cline, two variables |
| E01SBF | Interpolated values, evaluate interpolant computed by E01SAF, two variables |
| E01SGF | Interpolating functions, modified Shepard's method, two variables |
| E01SHF | Interpolated values, evaluate interpolant computed by E01SGF, function and first derivatives, two variables |
| E01TGF | Interpolating functions, modified Shepard's method, three variables |
| E01THF | Interpolated values, evaluate interpolant computed by E01TGF, function and first derivatives, three variables |
| E01TKF | Interpolating functions, modified Shepard's method, four variables |
| E01TLF | Interpolated values, evaluate interpolant computed by E01TKF, function and first derivatives, four variables |
| E01TMF | Interpolating functions, modified Shepard's method, five variables |
| E01TNF | Interpolated values, evaluate interpolant computed by E01TMF, function and first derivatives, five variables |
| E01ZMF | Interpolating function, modified Shepard's method, d dimensions |
| E01ZNF | Interpolated values, evaluate interpolant computed by E01ZMF, function and first derivatives, d dimensions |
| E02AFF | Least squares polynomial fit, special data points (including interpolation) |
| E02BAF | Least squares curve cubic spline fit (including interpolation) |
| G05XAF | Initializes the Brownian bridge generator |
| G05XBF | Generate paths for a free or non-free Wiener process using the Brownian bridge algorithm |
| G05XCF | Initializes the generator which backs out the increments of sample paths generated by a Brownian bridge algorithm |
| G05XDF | Backs out the increments from sample paths generated by a Brownian bridge algorithm |