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

\[UpArrow]

  • Unicode: 2191.
  • Infix arrow operator.
  • x ↑ y is by default interpreted as UpArrow[x, y].
  • Sometimes used in mathematics to denote generalization of powers.
  • Used to indicate monotonic increase to a limit.
  • Sometimes used in prefix form to indicate the closure of a set.
  • Extensible character.