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Function may refer to:

Mathematics, computing and engineering[edit]

  • 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


Other uses[edit]

See also[edit]