Unary operation
From Wikinfo
[[sv:Un�r operator]]
In mathematics, a unary operation is an operation with only one operand. For instance, logical negation is a unary operation on truth values and squaring is a unary operation on the real numbers. A unary operation on the set S is nothing but a function S → S.
See also:
References
- Adapted from the Wikipedia article, "Unary_operation" http://en.wikipedia.org/wiki/Unary_operation, used under the GNU Free Documentation License

