In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 4 of 7.
Khan Academy

A helpful scientific calculator that runs in your web browser window.
Holt Online Learning

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 7 of 7.
Khan Academy

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 6 of 7.
Khan Academy

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 3 of 7.
Khan Academy

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 2 of 7.
Khan Academy

In this video, Salman Khan of Khan Academy explains polynomial approximation of functions. Part 1 of 7.
Khan Academy

In this video, Salman Khan of Khan Academy explains completing the square.
Khan Academy

Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.
Paul's Online Math Notes

Some worked example problems that point out many common errors students make when solving them.
Pauls Online Math Notes
