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

Algebra and Calculus Sketches
   For calculus, gives the tangent line problem and its solution.
   http://www.mathforum.org/sum95/ruth/sketches/algcalc.sketches.html

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/

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

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-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/

Karl's Calculus Tutor
   Introductory information on counting numbers, integers, limits, and derivatives.
   http://www.karlscalculus.org/

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

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/