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An Interactive Introduction to Complex Numbers

The purpose of this collection of applets and activities is to make students familiar with the basic principles of complex numbers. Combining explanatory text, exercises and interactive GeoGebra applets, this resource is suitable for both classroom lectures and distance learning.

Biostatistical Tools

This ESTEEM module in the Biometrics Category is a collection of workbooks has tools for linear regression, polynomial fit, and chi-square analysis to test whether a data set is in Hardy-Weinberg Equilibrium.

How to Gamble if You Must

This article explores the strategies of timid play and bold play in the game of red and black

The Equiangular Spiral

This module uses the problem of modeling growth in a chambered nautilus shell to give the user experience with the concepts of polar coordinates and parametric curves.

Flash Tools for Developers (AS3): Graphing curves in the plane

Flash CS3 (Actionscript 3.0) templates and classes for graphing functions in one variable as well as parametric curves in rectangular or polar coordinates.

Gauss-Kronrod Integration

Gauss-Kronrod Integration is an adaptation of Gaussian quadrature used on some graphing calculators. This Java applet outlines the mathematical computations involved and visually demonstrates the process the calculator uses to evaluate the integral.

Quick Interactive Web Pages with Java Sketchpad

A Developers' Area article on the use of Java Sketchpad to construct and publish interactive Web pages.