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


  • Unicode: 223C.
  • Alias: Esc ~ Esc.
  • Infix similarity operator.
  • x ∼ y is by default interpreted as Tilde[x, y].
  • Used in mathematics for many notions of similarity or equivalence.
  • Used in physical science to indicate approximate equality.
  • Occasionally used in mathematics for notions of difference.
  • Occasionally used in prefix form to indicate complement or negation.