DocumentationMathematicaThe Mathematica BookMathematica Reference GuideListing of Named Characters
UpArrowDownArrow
\[UpArrowDownArrow]
Infix arrow operator. x y is by default interpreted as UpArrowDownArrow[x, y]. Extensible character. See Section 3.10.4. See also: \[DownArrowUpArrow] , \[UpDownArrow] , \[DoubleUpDownArrow] , \[UpEquilibrium] .