It's a money counting program. I've done it for Czech currency, but I think it should be easy to convert it to whatever you like.
Controls:
Up and Down arrows or mouse to select, numpad to input numbers, F11 to print
Download:
http://dl.dropbox.com/u/10457408/Constr ... afinal.exe
http://dl.dropbox.com/u/10457408/Constr ... afinal.cap
Thanks to R0J0hound and especially to Silent Cacophony for their big help