This screenshot was captured in the middle of the process of graphing a point in three dimensions.  The program actually shows the process through animation.  Notice that the options include 3 tutorials and practice.  When in practice mode, students graph points, and the computer plots the correct answer.  The correct answer is an oversized red point.  If the student has done a good job, her/his point will lie in the middle of the red point.

 

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