heh, GOOD JOB NURTA, keep up the good work, I'll check on it tomorrow ok? anyway, how about using System.DivideByZeroException to block the zune from faulting if someone tries to divide by 0, otherwise have the code monitor for division by 0, and either say something like "impossible" or "infinity" or have it show a black hole on your zune... I dunno, but have fun, don't get too frustrated with the calculator, it's a great idea, and I think I was there when it got hatched. But I'll give you a +
Rep when you get more kinks worked out. I love my admins!! they either do wonderful things for us all or make us laugh. All the while, enforcing the rules of the site.