Function
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Look up function or functionality in Wiktionary, the free dictionary.
Function may refer to:
Mathematics, computing and engineering
- Function (mathematics), a relation that associates an input to a single output according to some rule
- Function model, a structured representation of the functions, activities or processes
- Function (engineering), related to the selected property of a system
- Subroutine, also called a function, a sequence of instructions within a larger computer program
- Function object, or functor or functionoid, a concept of object-oriented programming
- Functor, a type of mapping between categories
- A function key on keyboards
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