> > 16!, assuming all things are different. > > first you pick 1 from 16 for the first place, then you pick 1 from 15 > for the second place, etc. That's what I was looking for, like drawing cards or wiring enigma rotors. -- > Feel the power of the dark side! Atmel AVR -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist