The Function reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Function

The word function has various meanings:

• a purpose;
• a role or occupation;
• in sociology, social function is the focus of functionalism (sociology);
• a fundamental concept of mathematics; see function (mathematics);
• in computer programming, a function is a kind of subroutine, often analogous with a mathematical function; in functional programming the programs are completely built from functions.

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