This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
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MATHEMATICA CHARACTER NAME

\[ImaginaryJ]

  • Unicode: F74F.
  • Alias: Esc jj Esc.
  • Letter-like form with built-in value.
  • is interpreted by default as the symbol I, representing .
  • Used in electrical engineering.