Calculus Survival Guide - Offers helpful tips on taking tests and keeping up with the class. Geared toward university students, but also applies to high school. - http://galileo.math.siu.edu/~msulliva/Courses/150/S06/survival.html
Calculus Made Easier - An introduction to the basic concepts. The derivative and integral are explained. Resource links included. - http://www.wtv-zone.com/Angelaruth49/Calculus.html
Visual Calculus - Short descriptions and examples for limits, derivatives, and integrals. Various plug-ins are needed to view some of the pages. - http://archives.math.utk.edu/visual.calculus/
The History Of Calculus - Interested in how Calculus became what it is today? This site offers a historical account of the progression of the study from its infancy to its present state. - http://www-gap.dcs.st-and.ac.uk/~history/HistTopics/The_rise_of_calculus.html
Calculus-Help.com - Features a new practice calculus problem every week with complete solutions. Includes an archive of prior weeks' problems and solutions. - http://www.calculus-help.com/
Automatic Calculus Solutions - Check calculus homework. Enter a function and click for a step-by-step derivative or integral with each step explained. - http://www.calc101.com/
Algebra and Calculus Sketches - For calculus, gives the tangent line problem and its solution. - http://www.mathforum.org/sum95/ruth/sketches/algcalc.sketches.html
A History of the Calculus - The main ideas of calculus developed over a very long period of time. Read about some of the mathematicians who contributed to this field of mathematics. - http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/The_rise_of_calculus.html
Karl's Calculus Tutor - Introductory information on counting numbers, integers, limits, and derivatives. - http://www.karlscalculus.org/