Believe me guys, this website is a miracle!
One doesnt need books at all if one is lucky to find dis website. You can almost search anything of any subject n widout a doubt, u ll b good to go. One doesnt need notes, theories or books to pass the exam , cos regardless of d fact dat u have dem or nt, ull b excelling at almost everythng.
It provides detailed as well as precise explanations on all subjects n makes sure dat all ur concepts get cleared for the long run.
Tutorialspoint. com provides notes, graphs , images, powerpoint presentations n wat not for complete understanding of the concepts.
I was d lucky one to find it, hope d same for u! Good luck!