DocumentationMathematicaThe Mathematica BookMathematica Reference GuideListing of Named Characters
CapitalDelta
\[CapitalDelta]
Aliases: D, Delta. Greek letter. Not the same as \[EmptyUpTriangle]. Sometimes used in mathematics to denote Laplacian. See Section 1.10.1 and Section 3.10.3. See also: \[Delta] , \[Del] .