A♯

From Wikipedia, the free encyclopedia

A# may refer to:

  • A-sharp, in music, a note one semitone higher in pitch than A, and also, the musical key A-sharp minor
  • A Sharp (company), a software developer company
  • A Sharp (.NET), a port of the Ada programming language to the .NET environment
  • A Sharp (Axiom), a programming language for the Axiom computer algebra system