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

\[Infinity]

  • Unicode: 221E.
  • Alias: Esc inf Esc.
  • Letter-like form with built-in value.
  • ∞ is interpreted by default as the symbol Infinity.