Function or functionality may refer to:
Computing
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Function key
A function key is a key on a computer or computer terminal, terminal computer keyboard, keyboard that can be programmed to cause the operating system or an application program to perform certain actions, a form of soft key. On some keyboards/com ...
, a type of key on computer keyboards
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Function model, a structured representation of processes in a system
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Function object
In computer programming, a function object is a construct allowing an object (computer science), object to be invoked or called as if it were an ordinary subroutine, function, usually with the same syntax (a function parameter that can also be a ...
or functor or functionoid, a concept of object-oriented programming
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Function (computer programming)
In computer programming, a function (also procedure, method, subroutine, routine, or subprogram) is a callable unit of software logic that has a well-defined interface and behavior and can be invoked multiple times.
Callable units provide a ...
, a callable sequence of instructions
Music
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Function (music)
In music, function (also referred to as harmonic function) is a term used to denote the relationship of a chord"Function", unsigned article, ''Grove Music Online'', . or a scale degree to a tonal centre. Two main theories of tonal functions exist ...
, a relationship of a chord to a tonal centre
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Function (musician) (born 1973), David Charles Sumner, American techno DJ and producer
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"Function" (song), a 2012 song by American rapper E-40 featuring YG, Iamsu! & Problem
* "Function", song by Dana Kletter from ''
Boneyard Beach'' 1995
Other uses
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Function (biology)
In evolutionary biology, function is the reason some object or process occurred in a system that evolved through natural selection. That reason is typically that it achieves some result, such as that chlorophyll helps to capture the energy of su ...
, the effect of an activity or process
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Function (engineering), a specific action that a system can perform
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Function (language), a way of achieving an aim using language
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Function (mathematics)
In mathematics, a function from a set (mathematics), set to a set assigns to each element of exactly one element of .; the words ''map'', ''mapping'', ''transformation'', ''correspondence'', and ''operator'' are sometimes used synonymously. ...
, a relation that associates an input to a single output
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Function (sociology), an activity's role in society
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Functionality (chemistry), the presence of functional groups in a molecule
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Party
A party is a gathering of people who have been invited by a Hospitality, host for the purposes of socializing, conversation, recreation, or as part of a festival or other commemoration or celebration of a special occasion. A party will oft ...
or function, a social event
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Function Drinks, an American beverage company
See also
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Function field (disambiguation)
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Function hall
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Functional (disambiguation)
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Functional group (disambiguation)
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Functionalism (disambiguation)
Functionalism may refer to:
* Functionalism (aesthetics), a doctrine declaring that only objects based on utility and economy can be beautiful
** Functionalism (architecture)
In architecture, functionalism is the principle that buildings shoul ...
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Functor (disambiguation)
{{Disambiguation