This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)


  • Unicode: 2295.
  • Alias: Esc c+ Esc.
  • Infix operator.
  • Used in mathematics for various operations related to addition, such as direct sum and addition modulo two.
  • Also sometimes used to indicate a vector pointing into the page.