(definition)

**Definition:**
(1) A *function* with exactly n arguments. (2) A function which takes any number of arguments, or a variable number of arguments.

**See also**
*constant function*, *unary function*, *binary function*, *trinary function*.

*Note:
By analogy with unary, binary, etc.*

Author: PEB

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Entry modified 17 December 2004.

HTML page formatted Mon Nov 18 10:44:10 2013.

Cite this as:

Paul E. Black, "n-ary function", in
*Dictionary of Algorithms and Data Structures* [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY)
Available from: http://www.nist.gov/dads/HTML/naryfunc.html