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: 224D.
  • Infix similarity operator.
  • x ≍ y is by default interpreted as CupCap[x, y].
  • Used in mathematics for various notions of equivalence, usually fairly weak.
  • f ≍ g is often specifically used to indicate that f/g has bounded variation.