Look up unary in Wiktionary, the free dictionary.

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

• Primary (disambiguation)
• Binary (disambiguation)

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