| C05ADF | Zero of continuous function in given interval, Brent algorithm |
| C05AGF | Zero of continuous function, Brent algorithm, from given starting value, binary search for interval |
| C05AJF | Zero of continuous function, continuation method, from a given starting value |
| C05AVF | Binary search for interval containing zero of continuous function (reverse communication) |
| C05AXF | Zero of continuous function by continuation method, from given starting value (reverse communication) |
| C05AZF | Zero in given interval of continuous function by Brent algorithm (reverse communication) |