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About MathWorld

Welcome!

Eric

MathWorldTM is the web's most complete mathematical resource, assembled over more than a decade by internet encyclopedist Eric W. Weisstein with assistance from the mathematics and internet communities.

MathWorld is a comprehensive and interactive mathematics encyclopedia intended for students, educators, math enthusiasts, and researchers. Like the vibrant and constantly evolving discipline of mathematics, this site is continuously updated to include new material and incorporate new discoveries.

Although it is often difficult to find explanations for technical subjects that are both clear and accessible, this website bridges the gap by placing an interlinked framework of mathematical exposition and illustrative examples at the fingertips of every internet user.

If you find MathWorld useful, you may also be interested in the author's ScienceWorld site, which contains topically similar material about astronomy, scientific biography, chemistry, and physics, and the authors encyclopedias under development, which contain information on scientific books, music theory, and the Game of Life cellular automaton.

MathWorld is hosted and sponsored by Wolfram Research, Inc., makers of Mathematica, the world's most powerful and flexible software package for doing mathematics.

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Additional Information

If you have specific questions about this site or its contents, please visit the FAQ page. There you will find answers to many common queries related to MathWorld. If you have comments or simply wish to leave feedback, please feel free to leave a message for the MathWorld team.

For information about the recent lawsuit filed by CRC Press which resulted in the extended shutdown of MathWorld, please read the author's note on the subject. The full set of legal documents in the case is also available. Please note that help from readers in continuing to protect MathWorld as a free website is greatly appreciated.

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LiveGraphics3D

This site contains LiveGraphics3D interactive Java applets. These applets allow 3D solids to be viewed right inside your browser window. For additional details and a description of LiveGraphics3D and its capabilities, see the LiveGraphics3D description page. For a list of entries on this site containing LiveGraphics3D applets, see the index to animations.