Consisting of or involving a single element or component.

(mathematics) The unary, or bijective base-1, numeral system. / (information theory) Unary coding, an entropy encoding for natural numbers.

plural of unary

(algebra, computing) A symbol representing unary operation; an operator taking one operand.

(algebra) An operation taking one operand, such as the square, factorial or absolute value operation.

plural of unary operator

plural of unary operation