nothing much to be say here, I'm on my way to get some sleep and hope for good and nice dreams to come :) my add drop course problem show up again so i am a lil bit dizzy wizzy and stress up :| well that is clearly not a good thing. just now, i feel that i can't concentrate and my mind went blank, i just can't absorb any input right now. dang!! even the kirchoff's law can drive me confuse.life become more and more disastrous and i need help!!!! :(