no calculator?!

omg.. i reli beh tahan..
what the hell school i m studying...
a engineering course where final cannot use calculator?!
wtf!!!

1st thing is simultaneous eq..
no calculator..use hand slowly sub in value?
sot ah?
matrix..HAHA dream on..
how long time i need to waste on 3 eq to do 1 by 1 matrix?
if i am fast, calculator at most 10sec i can get the ans...
bull shit~!

2nd thing..AC supply gif imaginary number..
where what we call complex number..
something x+iy...
sot ah! convert it to angle to convert it to complex again?
brainless or what?
even sin cos tan i oso cannot rmb..
u expect me rmb all these?!
= =
btw..my imagination not good..what u expect??
expect i tembak?? or expect u can score zero for every paper??
nah!! 


overall..
it is a sux max subject...
engineers r lazy ppl where they design item for themselves.
to save their own energy..
previous engineers cr8 calculator for what..
for future engineers to use la duh!!!