PS C:\Tools\Scripts> [math]::pewpew(0,0)
Method invocation failed because [System.Math] does not contain a method named 'pewpew'.
At line:1 char:1
+ [math]::pewpew(0,0)
+ ~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : MethodNotFound