Mathematics is a beautiful and fascinating subject, which has aroused people's curiosity since the time of the ancient Babylonians, four thousand years ago (and no doubt long before then).

This page is intended for anyone who enjoys mathematics and wants to learn more about it. Below are links to mathematics articles and interactive web pages, aimed at a general audience.

## Articles |

- Modular Arithmetic Calculator - Perform arithmetic and find square roots modulo an integer.
- Big Integer Modular Arithmetic Calculator (Big MAC) - Perform modular arithmetic on very large integers, such as a googol (1 followed by a hundred zeros).
- Find the greatest common divisor of two integers using the Euclidean algorithm.

- Graph pro basketball statistics - a Perl interface to a MySQL database of professional basketball stats.
- Create distribution charts for pro basketball statistics.

- Graph a polynomial and its derivative.
- Plot the trajectory of a cannonball for a given muzzle velocity and angle of elevation.
- Graph solutions of the Lotka-Volterra equations, a differential equations model for predator-prey interactions.

- Draw graphs of ellipses with varying parameters.
- Convert angles between radians and degrees.

In case you are curious, here's list of my math research articles.