(game theory) A mathematical function describing the award given to a single player at the outcome of a game.

(mathematics) Any function whose values remain bounded by some constant.

(linguistics) A word that has little meaning when standing alone, but instead serves to express grammatical relationships with other words within a sentence, or specify the attitude or mood of the speaker, such as prepositions, pronouns, auxiliary verbs, or conjunctions.

(computer science) A mathematical function that can be computed using an abstract computation machine such as Turing machine.

(mathematics) A unary function that preserves the addition operation; a unary function f such that for any x and y: f(x + y) = f(x) + f(y).

plural of function object

(object-oriented programming) An object that encapsulates a function pointer (or equivalent).

(mathematics) Any function of a polynomial whose greatest exponent is 4.

(mathematics) Any function of a polynomial whose greatest exponent is 5.

(mathematics) The function that determines the sign of a real number, yielding -1 if negative, +1 if positive, or otherwise zero.