This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Mathematica Character Name

\[ImaginaryI]

  • Unicode: F74E.
  • Alias: Esc ii Esc.
  • Letter-like form with built-in value.
  • ⅈ is interpreted by default as the symbol I, representing .