(mathematics) A function.

plural of special function

Any of various specific mathematical functions that have more or less established names and notations due to their importance.

plural of function overloading

(computing theory) One of the simplest and earliest examples of a total computable function that is not primitive recursive.

(object-oriented programming) Synonym of virtual method

plural of virtual function

(object-oriented programming) A feature that allows creating several functions or methods with the same name differing in the type of the input and the output parameters.

plural of divisor function

(combinatorics) A function from the natural numbers to the set {−1, 0, 1} which maps perfect squares to 0, prime numbers to −1, and is multiplicative.