In mathematics, a binary function (also called bivariate function, or function of two variables) is a function that takes two inputs.
Precisely stated, a function f {\displaystyle f} is binary if there exists sets X , Y , Z {\displaystyle X,Y,Z} such that
where X × Y {\displaystyle X\times Y} is the Cartesian product of X {\displaystyle X} and Y . {\displaystyle Y.}
Developed by Tubidy