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

\[Proportion]

  • Unicode: 2237.
  • Infix relational operator.
  • x ∷ y is by default interpreted as Proportion[x, y].
  • Used historically to indicate equality; now used to indicate proportion.