1. Home
  2. Computing & Technology
  3. C / C++ / C#

Definition of Function

By , About.com Guide

Definition: A function is a block of code that performs a calculation and returns a value.

y = sin( alpha ) ;
This call a function to calculate the sin of the angle stored in the variable alpha.

All procedural computer languages including C,C++ and C# provide libraries of functions to manipulate strings, maths,time/date and file handling, and programmers can also write their own functions.

Glossary:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Also Known As: procedure, subroutine
Examples:
The function calculated the price of an interest rate swap
Explore C / C++ / C#
About.com Special Features

Stay connected and entertained with reviews on tips on the latest HDTVs, cellphones and more. More >

Easy ways to connect two computers for networking purposes. More >

  1. Home
  2. Computing & Technology
  3. C / C++ / C#
  4. Getting Started
  5. Function - Definition

©2009 About.com, a part of The New York Times Company.

All rights reserved.