
Common notations are prefix notation (e.g. +, −, not), postfix notation (e.g. factorial n!), functional notation (e.g. sin x or sin (x)), and superscripts (e.g. transpose AT). Other notations exist as well. For example, in the case of the square root, a horizontal bar extending the square root sign over the argument can indicate the extent of th...
Found on
http://en.wikipedia.org/wiki/Unary_operation

an operation in a mathematical system by which one element is used to yield a single result, as squaring or taking the square root. Cf.
Found on
https://www.infoplease.com/dictionary/unary-operation
No exact match found.