Modifies a noun

• notation: The biggest difference occurs in line 57 where this method is called by using the infix notation instead of the usual message sending format.

• operator: The action of an element of the algebra on an element of the module is calculated by the infix operator ^ .

• expression: The reason for the ambiguity is the lack of brackets in the infix expression.

• dereference: The Arrow Operator " - " is an infix dereference operator, just as it is in C and C++ .