I happen to be rather talented in this department, which is lucky I suppose, I've just started as maths and further maths, and am hoping for two As for AS and A level... All you need to do is go to lessons, then read about the stuff you don't understand - it is only really difficult if you don't have AT LEAST a B grade GCSE, if you have any lower and haven't learnt the extra stuff, you will struggle... Nathan