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Sharp \[Sharp]

FilledSmallSquare Letter-like form.

FilledSmallSquare Used to denote musical notes.

FilledSmallSquare Sometimes used in mathematical notation, typically to indicate some form of numbering or indexing.

FilledSmallSquare Not the same as \[RawNumberSign].

FilledSmallSquare See The Mathematica Book: Section 3.10.3.

FilledSmallSquare See also: \[Flat] , \[Natural] .