Thank You all.. LTSpice and Microcap are being downloaded now to be tested throughly. 8-) I won't mention the programs I tested so far, as they are unimportant.. besides a very hyped one: I just tested CircuitLogix and.. I would do not suggest it to anyone who values his time.. if You know what I mean. :-/ Cheers, Mario -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist