The user clicks on a graphing board a point appears; the user clicks again another point appears and the line between the two points is drawn. The slope and the equation of the line are displayed. The applet illustrates dynamic drawing at runtime and text display at runtime in AS3. The applet is easy to create yet it has true pedagogical value.

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Download all source files corresponding to this tutorial in the following compressed folder.

The zip package contains a well-commented source file and a pdf guide.

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