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A Biological ESTEEM module in the BioChemistry Category. This workbook calculates the necessary components to create a buffer solution.

Math on the Web: A Status Report

One of a series of reports on the status of tools for rendering mathematical symbols and formulas in web pages.

Applets and Activities for Real Analysis

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.

3DSurface Viewer

This small Web application creates high quality images of 3D surfaces defined by mathematical expressions. Images can be colored, resized and freely rotated in space.

How Does This Button Work?

This article examines the dynamic geometry package GeoGebra from the point of view of Euclidean Constructions.

Leathrum's Mathlets Site

A review of Tom Leathrum's "Mathlets: Java Applets for Math Explorations"

Exploring Geometric Transformations in a Dynamic Environment

A collection of GeoGebra applets and activities for exploring the properties of reflections, rotations, translations and glide reflections in the plane.

Biodiversity

This ESTEEM module in the Ecology Category consists of an Excel workbook that allows the diversity of a biological population to be estimated with both the Shannon and Simpson biodiversity indices based on information theory.

Derivative Matching Game

This interactive, browser-based game provides students with a great activity for the "reform calculus" problem of finding "function-derivative pairs" based only on graphs. Several variations are available.

World Population Growth

This is a module for use in differential or integral calculus. It looks at a differential equation model for world population growth.