^** -- a binary operator, usually used for tensor or Cartesian power

Ways to use symbol ^** :

• CoherentSheaf ^** ZZ -- tensor power
• "Expression ^** Expression" -- see Expression -- the class of all expressions
• "Expression ^** Holder" -- see Expression -- the class of all expressions
• "Expression ^** Thing" -- see Expression -- the class of all expressions
• "Holder ^** Expression" -- see Expression -- the class of all expressions
• "Holder ^** Holder" -- see Expression -- the class of all expressions
• "Thing ^** Expression" -- see Expression -- the class of all expressions
• Module ^** ZZ -- tensor power
• VirtualTally ^** ZZ -- Cartesian power of sets and tallies

For the programmer

The object ^** is a keyword.

         X ^** Y := (x,y) -> ...