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This suite of five interactive applets (written with GeoGebra) allows exploration of definitions and theorems commonly presented in first-year analysis courses. Topics include sequence convergence, continuity at a point, the Mean Value theorem, Taylor series, and Riemann sums. Included with each applet is a pair of activities: one for becoming comfortable using the applet, and one for using the applet to explore the associated topic in depth.

An article on the impact of technology in the teaching and learning of mathematics courses preceding calculus.

A Biological ESTEEM module in the Sequence Alignment Category. These two worksheets implement a dynamic programming algorithm for simultaneous alignment of multiple sequences.
A mathlet to draw graphs of user-defined functions.
A collection of GeoGebra applets and activities for exploring the properties of reflections, rotations, translations and glide reflections in the plane.
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.
This Biological ESTEEM module in the Developmental Biology Category includes linear cellular automata and 2D cellular automata. Users can choose from a set of popular rules or define their own.
One of a series of reports on the status of tools for rendering mathematical symbols and formulas in web pages.
This article examines the dynamic geometry package GeoGebra from the point of view of Euclidean Constructions.
Java applets and related activities demonstrating the spectral (frequency-space) representation of data (signals) using the Fourier or wavelet base functions. It is part of the Statistics Online Computational Resource (SOCR).