I was wondering what are the best mathematic websites that teaches math step by step? I found a website called Wolfram MathWorld: The Web's Most Extensive Mathematics Resource (http://www.mathworld.wolfram.com) that has a lot of math in it. What are the other websites? Good ones please.

When I want to learn how to do something, I usually use... and I know some people frown upon this...
Wikipedia, the free encyclopedia (http://en.wikipedia.org/)

Some people don't like it, and you can't use it in reports as a source, because it's editable by anyone. But that's what's great about it. There's a ton of info on pretty much any mathematical formula or theory you'd want to read about.

OK. Thank you. I do agree, wikipedia is written so people could understand, not so it sounds professional or anything!