Harvey Mudd College
Harvey Mudd College: Tutorials Hmc Calculus Tutorial
This site has tutorials on pre calculus and calculus. The integration tutorial is under the name antiderivative
Other
Calculus help.com: Tutorials for the Calculus Phobe
A dozen interactive tutorials are what help make the basics of calculus more clear for those students who need additional explanation. Clear directions, simple examples, and interesting graphics are all part of this resource.
Interactive Mathematics
Interactive Mathematics: Millionaire Calculus Game
This interactive game imitates the famous "Millionaire" game show and allows students to test there calculus knowledge. It requires that you really know your calculus and is a fun way to test yourself.