http://proatuition.blogspot.my/2012/05/math-new-syllabus-click-links-belowto.html
function question and answer ~~~~~~~~
http://cforum3.cari.com.my/forum.php?mod=viewthread&tid=1698304&extra=&page=1
khan Function lesson .
just the basic lesson.
but helps u to open minds and how it's used ....
