In a dark dusty corner of my mind I seem to recall reading some Engineering Ethics code that had language to the effect of requiring an engineer to gain as much value as possible from a prototype or testing or something to that effect. Anybody able to help me cite the source material for that? Thanks -Denny --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .