| 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) |