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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.
The use of JavaMath is explained via an example and ideas for new types of web service are discussed.
An article that presents an interactive, tactile, real-time proof of the parity theorem for permutations
The Editor's update for Issue 3 of Volume 1
An article about an online system for providing education and assessment for precalculus, which can substitute for routine problems given in homework and as exam questions