We thank Frank Wattenberg for making his Image and Cursor Lite Applet available to be used and modified, and which we have changed to permit the user to enter up to three different functions. 

We thank Bryan Lewis for his Simple Least Squares applet, which we have converted from its orginal pop-up version to an in-line version, reformated the output formula string to be compatible with Frank's applet, and changed some other cosmetic and ergonomic features of its user interface. 

Also, we thank another workshop participant, Tami Matsumoto, for very helpful suggestions that greatly improved the user interface of the website and applets.

Finally, we are grateful to Lang Moore and David Smith for hosting the Authoring Online Interactive Materials in Mathematics 2003 MAA PREP Workshop at Duke University.

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