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Pages and Files
An Unexpected Right Angle
Circle as a limit of polygons
Circles of Apollonius
Constructing the square root
Cube roots, branch cuts, and Wolfram Alpha
Domain and Range
Ellipse in a Box
Equilateral triangle and regular 9-gon
Eratosthenes measures Earth
Logarithmic Spirals and Exponentiation
Math Video Sites
Missing square puzzle
Parabolas through three points
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Welcome to Analemma!
The purpose of this website is to share some interactive GeoGebra applets that illustrate mathematical concepts. I hope that you find them to be useful and enjoyable.
GeoGebra is a free, open-source software package for dynamic geometry. It is an excellent alternative to proprietary systems such as Geometer's Sketchpad and Cabri Geometry. Since it is based on Java, it can run on almost any platform.
If you would like to join this Wiki, please send me a brief note telling me who you are or why you would like to join.
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