# Calculus

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- Earliest Uses of Calculus Symbols
- Page http://jeff560.tripod.com/calculus.html
- Gives background for notations that are commonly used like the integral and delta signs.

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- Calculus Applets at St. Louis University
- Page http://www.slu.edu/classes/maymk/MathApplets-SLU.html
- Provides applets demonstrating concepts of both single and multivariable calculus.

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- GraphFunc
- Page http://graph.seriesmathstudy.com/
- A program online that is used to plot the graph of mathematical functions in two or three dimensions. [Java required]

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- Bernoulli, Johann (1667-1748)
- Page http://www.mathcs.org/analysis/reals/history/bernoull.html
- Pioneers in the field of calculus, appied the new tool to real problems, life was one of the most controversial of any mathematician, member of the world's most successful mathematical family, also known as Johannes, Jean or John.

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- Lagrange - Joseph Louis Lagrange (1736-1813)
- Page http://www.maths.tcd.ie/pub/HistMath/People/Lagrange/RouseBall/RB_Lagrange.html
- The greatest mathematician of the 18th century, in his letter, written at 19, to Euler, he solved the isoperimetrical problem, to effect the solution he enunciated the principles of the calculus of variations.