This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Built-in Mathematica SymbolSee Also »

NonCommutativeMultiply (**)

a**b**c
is a general associative, but non-commutative, form of multiplication.
  • You can use NonCommutativeMultiply as a generalization of ordinary multiplication for special mathematical objects.
New in 1