This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Mathematica Character Name


  • Unicode: F361.
  • Alias: Esc pw Esc.
  • Prefix operator with built-in evaluation rules.
  • is by default interpreted as Piecewise[{{e1, c1}, {e2, c2}}].
  • Extensible character.
  • Not the same as keyboard {.