Yigit Turgut wrote: > I am still working on theoritical expressions to > create the mathemathical model of the system > I guess don't bothering people with theoritcal > expressions means that I don't know what I am doing. Yigit, They wouldn't give PhD to a "theoritcal" guy, because _theoretical_ is one of the most frequent words for a PhD. They would say, "it seems like the candidate just doesn't like reading books." Good luck with PhD, MS . -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist