I can recommend this site: http://www.khanacademy.org/ http://www.khanacademy.org/ I suggest you find a video there that you're interested in and that you can'

I can recommend this site: http://www.khanacademy.org/ http://www.khanacademy.org/ I suggest you find a video there that you're interested in and that you can't quite understand, then come back and ask a question. You said you were OK with algebra, so pre-calculus would be a good place to start.