| C05AUF
| Zero of continuous function, Brent algorithm, from a given starting value, binary search for interval |
| C05AVF
| Binary search for interval containing zero of continuous function (reverse communication) |
| C05AWF
| Zero of continuous function, continuation method, from a given starting value |
| C05AXF
| Zero of continuous function, continuation method, from a given starting value (reverse communication) |
| C05AYF
| Zero of continuous function in a given interval, Brent algorithm |
| C05AZF
| Zero of continuous function in a given interval, Brent algorithm (reverse communication) |
| C05BAF
| Real values of Lambert's function, |
| C05BBF
| Values of Lambert's function, |
| C05QBF
| Solution of a system of nonlinear equations using function values only (easy-to-use) |
| C05QCF
| Solution of a system of nonlinear equations using function values only (comprehensive) |
| C05QDF
| Solution of a system of nonlinear equations using function values only (reverse communication) |
| C05QSF
| Solution of a sparse system of nonlinear equations using function values only (easy-to-use) |
| C05RBF
| Solution of a system of nonlinear equations using first derivatives (easy-to-use) |
| C05RCF
| Solution of a system of nonlinear equations using first derivatives (comprehensive) |
| C05RDF
| Solution of a system of nonlinear equations using first derivatives (reverse communication) |
| C05ZDF
| Check user's routine for calculating first derivatives of a set of nonlinear functions of several variables |