arghhh i'm going crazy from studying cf. i'm soooooooooooooo lost. Dunno where to start from.. keep flipping the notes.. this chapter first no this no that... Kaoz.. all i oso dun understand. i'm going to fail this i guess-that means more $$$$$... haiz.. to me is not about failing but its just about the additional $$$ i've to pay. arghhhh.. wat is upper n lower bound? still cant figure out after someone explained to me for an hour. Am i just stupid or wat. one hr on just tat and i still cant get it. Y???