See Sergey's reply

>Matthew,
>
>>I had the "?" in for output to the screen while I tested the code. Yesterday it spit numeric amounts to the screen.
>>
>
>I don't see how...it would display do a comparison between the left and right side of the "=", and return true if they are equal.
>
>Try this in your command window:
>
>

>x = 5
>? x = x       && shows true
>? x = x + 1   && shows false
>? x           && shows 5...x was not changed by previous line
>