Cool Math
Coolmath: Pre Calculus Maximums and Minimums: Finding Relative Extrema
This CoolMath resource will help students find relative extrema.
University of Vienna (Austria)
University of Vienna: Maths Online
The University of Vienna, Austria, created this site to help bring the worlds of math and technology together. You have access to many applets and downloads that allow you to create lessons, tests, and puzzles. There are also great...