TOPICS
Algebra
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History and Terminology
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Recreational Mathematics
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Alphabetical Index
New in MathWorld
Geometry
Transformations
Geometric Transformations
Cantellation
Central Dilation
Collineation
Dilation
Elation
Expansion
Geometric Correlation
Geometric Homology
Harmonic Homology
Homography
Perspective Collineation
Polarity
Projective Collineation
Projective Correlation
Projectivity
Stretch
Twirl
Unimodular Transformation