Function

Related Topics:
Functional_Analysis :: Functional :: Functional_Logic :: Functional_Morphology :: Function-Pointers_and_Callbacks :: Function_Modules

Function may mean:

In mathematics and most scientific and technical fields, an abstract entity that associates every element (input, argument) of a certain set of numbers or other objects to a corresponding element (output, result) in some other set: see function (mathematics).
In computer science, depending on the context and programming language:
- A mathematical function, as above.
- Any subroutine or procedure.
- A subroutine that returns a value.
- A subroutine which has no side-effects; see functional programming.
- A function object, a concept of object-oriented programming.
In some scientific or technical contexts, a deterministic relation between two quantities or phenomena, e.g. by definition, by design, or by a natural cause-and-effect connection.
In language studies, the grammatical function of a word or phrase in a sentence.
In sociology, the focus of functionalism: see social function.
In philosophy, a normative relation of objects to their use or consequences; see function (philosophy).
In music, the role (tonic, dominant, etc.) of a note in a chord: see diatonic functionality.

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