If this is your first time, we strongly recommend that you take the time to
learn the basic functionality of this form-based application. This is not a
Java applet--you can't drag the points around. You move them by clicking
the location you want them to move to. See the
more details. For those of you that just want
to jump right in, you might be able to get the idea in one step by clicking
somewhere near the top middle of the image below.
Teachers--information on the relevant mathematics, ideas for lesson
plans, and some sample complete lesson plans are available
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Last Update: May 19, 2006
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