I think you mean int?(been a while since I used pascal). Div was the divisor operation. The result being not a rounded down number, but the divisor of the operation. as in: 5 div 2 = 2 meaining 5/2 = 2 remainder 1 . Div returns the 2, Mod returns the 1. Admittedly this is irrelivant to the origonal question, but... :)