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In this applet, a user fills in a grid to create a distribution of numbers. The applet displays the size of the standard deviation and the position of the mean in the distribution. An activity is provided to facilitate the use of the applet to investigate standard deviation.
A Biological ESTEEM module in the Genetics Category. This workbook simulates a linkage analysis problem with up to four alleles.
A suite of mathlets for interactive exploration of quadric surfaces
This mathlet computes Riemann sums for a user-defined function and draws a graph of the function as well as a graphical represenatation of the approximations.
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.
A Biological ESTEEM module in the Sequence Alignment Category. These two worksheets implement a dynamic programming algorithm for simultaneous alignment of multiple sequences.

An article discussing the use of technology in abstract analysis, real analysis, and geometry.

A collection of GeoGebra applets and activities for exploring the properties of reflections, rotations, translations and glide reflections in the plane.
This Biological ESTEEM module in the Botany Category allows scientists to collect data from specimens, insert the measurements into a spatially explicit L-system package, and visually compare to the computer generated 3D image with such specimens.
This article illustrates the use of calculus, differential equations, and statistics in the analysis of enzyme kinetics.