Now, I have no idea about anything involving calculus. After checking out this site focusing mainly about calc, i came to a better understanding of what it is and how it can help me learn more about calc. It gives you functions, equations, free tutorials and problems to try. I think its a great website. It gives you sort of definitions to some different subjects on calculus too. You can click the type of problem and you would get examples to see how to do it. It's great.