haiya.. matrix is like uni lor.. jus tat wat they learn is like advance a bit from form 5 lor.. then each semester got test lor.. after test can forget le lor.. then aim for the other semester lor.. must score in each semester lor.. partly easy if u hardworkin.. hard if u a lazy type.. stpm --> well yup every 1 or two month, u get tested on a test on wat u hav learn for each chapter of the subject.. then u hav to remember wat u hav study and accumulate for 1 and a half year b4 u ar access on the real test--> STPM( which is a total accumulation of wat u learn in 1 1/2 year in form 6. tat y people consider in harder tat matrix.. then since u r force to remember so well for the STPM test .. when u enter Uni.. life will be a breeze for u since u r jus refreshing ur memory again.. pengajian am--> uni(kenegaraan) phy/bio/chem--> uni(all the science subject u take la), add math--> uni( statistic, advance math, accounting etc) so it related..