Now here is some thing like a boon for all the lazy goons who don't do their maths home work. This site is basically a calculator. But gives a complete explanation of a problem. Enter the math problem to be solved. Be it calculus, trigonometry, simple math or anything, mathway.com gives you step by step methods of solving the problem. Isn't that wonderful??? Its a teacher! It explains everything in words. Have fun doing your homework!
PS: Sorry, parents!