function
  • noun the use or purpose of something or how it works
  • noun a sequence of computer program instructions in a main program that perform a specific task
  • verb to operate or perform correctly
  • That which a component, circuit, device, piece of equipment, or system is intended to do. Also, that which it does do.
  • A mathematical expression in which a quantity depends one or more varying quantities. For example, the frequency response of an amplifier measures its behavior as a function of its input signal frequencies.
  • Within a computer program, a small group of instructions which perform a given task. Also called subroutine (2), routine (1), or procedure (2).
  • A function (3) which returns a value.

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