How should a system for doing interactive geometry behave when a user interacts with it? In a sense, the requirements are similar to the requirements for other programs: The program should be easy to use. The user should not be disturbed by unnatural behavior of the program. The user should not be tormented by being forced to make unnecessary input. The computed results should be correct.
KeywordsComplex Number Complex Space Euclidean Geometry Projective Geometry Hyperbolic Geometry
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