

I need determination to wake up early !!!
Haha .. i have forgotten all the formula for the variances after a wk break from the notes ...
Ok .. Managed to have a little progress with my revision ..
I did a little off track from my revision and went to read the friendster's comment from my friends ... omg .. Memories flowed back ...
Tmr is monday again ... SO sian ...
Getting so "old" ...
~怎么办~