Subtraction Operator

Definition: Finds the difference between two numbers or indicates the negative value of a numeric expression.

 

Actually, no, we don’tknow what 22,018 minus 1,915 is. But Windows PowerShell can determine that difference for us; just use the minus sign (-) as the subtraction operator.

 

 

Well, what do you know? We were right: the answer is 20103.