There’s lots of excellent resource here to help you with your math and physics homework and skills.  You can review things you’ve learned and forgotten (how to complete the square on a quadratic equation, which number is the addend in a problem). Practice identifying patterns. Find conversion tools and calculators. And look up the definitions of nearly 600 math terms in an illustrated dictionary. 

Subjects include basic math, data, geometry, money, algebra, calculus, and physics. There’s also a forum, math games and puzzles.