Today is Peihua's birthday! Went for her birthday party. Ard 12 ppl came I think. Her house is very nice:) I forgot to take the maths notes lah! How can I be so forgetful??? Haiz... now cannot self study beforehand. Sorry, see if i get it tmr. Or else cannot help you le:( Oh ya. Peihua, thanks for your goodie bag. I'm eating now haha. Hungry...