<P> C#was originally submitted to the ISO subcommittee JTC 1 / SC 22 for review, under ISO / IEC 23270: 2003, was withdrawn and was then approved under ISO / IEC 23270: 2006 . </P> <P> Microsoft first used the name C#in 1988 for a variant of the C language designed for incremental compilation . That project was not completed but the name lives on . </P> <P> The name "C sharp" was inspired by musical notation where a sharp indicates that the written note should be made a semitone higher in pitch . This is similar to the language name of C++, where "+ +" indicates that a variable should be incremented by 1 . The sharp symbol also resembles a ligature of four "+" symbols (in a two - by - two grid), further implying that the language is an increment of C++ . </P> <P> Due to technical limitations of display (standard fonts, browsers, etc .) and the fact that the sharp symbol (U + 266F ♯ MUSIC SHARP SIGN (HTML & #9839;)) is not present on most keyboard layouts, the number sign (U + 0023 #NUMBER SIGN (HTML & #35;)) was chosen to approximate the sharp symbol in the written name of the programming language . This convention is reflected in the ECMA - 334 C#Language Specification . However, when it is practical to do so (for example, in advertising or in box art), Microsoft uses the intended musical symbol . </P>

Where did the name c# come from
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