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This collection of pdf files use the PascGalois software for guided explorations in the context of Number Theory course.

Parting shots from the outgoing editor.

This applet allows the user to test a graph for planarity by simply dragging the nodes around until the graph's edges don't cross. Fixed exercises and an interface for drawing your own graph are given.
A mathlet to construct an antiderivative by accumulating area under the graph of a function.
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 performs six-frame translation on a short user-input nucleotide sequence and highlights the position of stop codons.
A module for exploration of the mathematical properties of velocity in one dimension

This article presents a fresh look at an age-old calculus optimization problem, the 'box problem.' (Also includes a Student Module condensed from the article.)

Let binary integer linear programming solve Sudoku puzzles and variations on the game for you. Also, learn to prove theorems regarding puzzle creation. Java applets allow for interactive exploration, and exercises and challenge problems are included.