# Unary

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Look up in Wiktionary, the free dictionary.unary |

**Unary** may refer to:

- Unary numeral system, the simplest numeral system to represent natural numbers
- Unary function, a function that takes one argument; in computer science, a unary operator is a subset of unary function
- Unary operation, a kind of mathematical operator that has only one operand
- Unary relation, a mathematical relation that has one argument
- Unary coding, an entropy encoding that represents a number
*n*with n − 1 ones followed by a zero

## See also[edit]

disambiguation page lists articles associated with the title Unary. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
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