>But you might be able to get a free copy of full C18 from >your local FAEs. Or maybe you want to buy them from Microchip >China for RMB300 or less than US$40. And you enjoy free >upgrade in C18's whole life span. If one is prepared to look at the registry entries, and what the updates expect in the registry, it is possible to get the student version to think it is the full version and to become updateable. I don't know if it keeps the optimizations though ... -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist