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DoubledPi \[DoubledPi]

FilledSmallSquare Alias: AliasIndicatorppAliasIndicator.

FilledSmallSquare Letter-like form.

FilledSmallSquare Not by default assigned any interpretation.

FilledSmallSquare Not the same as \[Pi].

FilledSmallSquare See The Mathematica Book: Section 3.10.3.

FilledSmallSquare See also: \[DoubledGamma] , \[ExponentialE] , \[DoubleStruckA] .