Operator: Subtract

Operator: Subtract is a Number Spell Piece added by Psi. It will return the difference of a number. It is unlocked in the lesson "Numbers 101."
== Parameters ==
* Number A: Requires a number.
* Number B: Optional. Requires a number which will subtract from Number A.
* Number C: Optional. Requires a number which will subtract from Number A.
== See also ==
* 
* 
* 
Category:PsiCategory:Spell Pieces