MY PROF SUCKS!!!!!! i bet he doesn't even know what he's teaching that's why he cannot answer my questions. and he's just plain lazy so he can't be bothered to type out the solution via email. SUCKER!!! all his slides and notes are really not from the textbook's given cd rom and website's downloaded slides la!! so lazy, no need to do anything still can't be bothered to help his student. please go back to china where you come from!!!