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 f : X × Y → Z {\displaystyle \,f\colon X\times Y\rightarrow Z} where X × Y {\displaystyle X\times Y} is the Cartesian product of X {\displaystyle X} and Y .
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 f : X × Y → Z {\displaystyle \,f\colon X\times Y\rightarrow Z} where X × Y {\displaystyle X\times Y} is the Cartesian product of X {\displaystyle X} and Y .
Source: Wikipedia "Binary function" · CC BY-SA 4.0
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