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Readers may like to know that MathWorld is available as a printed book - complete with 'hyperlinks' in the form of pointers to other articles. The paper version is 2,500 pages long and is rather heavy :-)

The Web site and tome were written in LaTex and Mathematica. LaTex is a free mathematical typesetting system that is exceptionally powerful and flexible - those who are interested can explore. You will be amazed. The same source file can generate a Web site complete with navigation and indexing, and a typesetting quality book...

Chip Pearson maintains an Excel related Web site with a huge range of practical examples at

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