Wilson's Inversive Geometry with CabriJava
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http://www.maths.gla.ac.uk/~wilson/cabripages/inversive/inversive0.html  


Wilson Stothers, University of Glasgow  
An introduction to inversive geometry, with explanations and illustrations using CabriJava. Many of the results and ideas are Greek, largely due to Apollonius of Perga. The approach is from the Klein viewpoint, using a group of transformations of a set of points. Topics include: Apollonian Families; basic properties of inversion; extended plane and ilines; Equal Angles Theorem; Inversion Theorem and ilines; Invariance of Angle; Orthogonal Curves; Algebraic Inversion Theorem; Steiner's Porism; and The Arbelos.  


Levels:  College 
Languages:  English 
Resource Types:  Cabri Geometry, Web Interactive/Java 
Math Topics:  Conic Sections and Circles 
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