This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)
Mathematica Character Name

\[ImaginaryJ]

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