| A02AAF | Square root of complex number |
| E04FCF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using function values only (comprehensive) |
| E04FYF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using function values only (easy-to-use) |
| E04GBF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and quasi-Newton algorithm using first derivatives (comprehensive) |
| E04GDF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using first derivatives (comprehensive) |
| E04GYF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and quasi-Newton algorithm, using first derivatives (easy-to-use) |
| E04GZF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm using first derivatives (easy-to-use) |
| E04HEF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm, using second derivatives (comprehensive) |
| E04HYF | Unconstrained minimum of a sum of squares, combined Gauss–Newton and modified Newton algorithm, using second derivatives (easy-to-use) |
| E04USF | Minimum of a sum of squares, nonlinear constraints, sequential QP method, using function values and optionally first derivatives (comprehensive) |
| E04YBF | Check user's routine for calculating Hessian of a sum of squares |
| F01VAF | Copies a real triangular matrix from full format to packed format scheme |
| F01VBF | Copies a complex triangular matrix from full format to packed format scheme |
| F01VCF | Copies a real triangular matrix from packed format to full format scheme |
| F01VDF | Copies a complex triangular matrix from packed format to full format scheme |
| F01VEF | Copies a real triangular matrix from full format to Rectangular Full Packed format scheme |
| F01VFF | Copies a complex triangular matrix from full format to Rectangular Full Packed format scheme |
| F01VGF | Copies a real triangular matrix from Rectangular Full Packed format to full format scheme |
| F01VHF | Copies a complex triangular matrix from Rectangular Full Packed format to full format scheme |
| F01VJF | Copies a real triangular matrix from packed format to Rectangular Full Packed format scheme |
| F01VKF | Copies a complex triangular matrix from packed format to Rectangular Full Packed format scheme |
| F01VLF | Copies a real triangular matrix from Rectangular Full Packed format to packed format scheme |
| F01VMF | Copies a complex triangular matrix from Rectangular Full Packed format to packed format scheme |
| F01ZAF | Convert real matrix between packed triangular and square storage schemes |
| F01ZBF | Convert complex matrix between packed triangular and square storage schemes |
| F06BNF | Compute square root of (a2 + b2), real a and b |
| G02BTF | Update a weighted sum of squares matrix with a new observation |
| G02BUF | Computes a weighted sum of squares matrix |
| G02BWF | Computes a correlation matrix from a sum of squares matrix |
| G02EAF | Computes residual sums of squares for all possible linear regressions for a set of independent variables |
| G02ECF | Calculates R2 and CP values from residual sums of squares |
| G04DAF | Computes sum of squares for contrast between means |
| G13EAF | Combined measurement and time update, one iteration of Kalman filter, time-varying, square root covariance filter |
| G13EBF | Combined measurement and time update, one iteration of Kalman filter, time-invariant, square root covariance filter |