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The Standard and General Forms of a Parabola

These applets provide interactive student activities to make connections between the graphical and analytical interpretation of "completing the square" and writing the equation of a parabola in general and standard form.

The Natural Cosine and Sine Curves

A mathlet that illustrates the relationship between the graphs of the natural sine and cosine curves and the vertical and horizontal coordinates of points on the unit circle.

Actionscript 3 Tutorials

A collection of mathematics applets with full documentation and source code for beginning users of Adobe Flash. This collection is part of the MathDL Flash Forum.

Three Easy Pieces

These Java applets allow students to explore three classic probability problems: (1) the Birthday Problem, (2) the Poker Problem, and (3) the Buffon Needle problem.

Editor's Notes, November, 2003

A summary of Volume 3

The maths online Function Plotter

This mathlet is a function plotter that can plot multiple curves on a single view.

Modeling a Changing World

Events in our world are often modeled with differential equations. This article develops numerical solvers for ODEs. Interactive applets explore topics including slope fields and numerically solving definite integrals and differential equations.

Spherical Coordinates

This utility uses the free Flash player plug-in resident in most browsers to provide the student with interactive examples and practice problems to aid in learning about spherical coordinates.

An Introduction to Population Ecology

A module intended to introduce the use of mathematical models in population dynamics from a biological perspective and to give substance to an elementary differential equations course

JOMA: A Magnificent Addition to Our Journal Family

A welcome message from MAA's Director of Publications & Electronic Services