Welcome to Fourmilab Switzerland

Last update: 27th November 2004

This site is developed and maintained by John Walker, founder of Autodesk, Inc. and co-author of AutoCAD. A variety of documents, images, software for various machines, and interactive Web resources are available here; click on entries in the frame to the left to display a table of contents for that topic. Items which span more than one category are listed in all.

A comprehensive (and large) list of all items on the site is available as a frame- and graphics-free Site Map.

Except for a few clearly-marked exceptions, all the material on this site is in the public domain and may be used in any manner without permission, restriction, attribution, or compensation. Back links to this site are welcome.

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Fourmilog: Site Update and Web Log

New and frequently-visited pages

New: Quarter Million Year Canon of Solar System Transits
New: Floating Point Benchmarks: 24 Years of Moore's Law
New: Fourmilog: Site Update Log with RSS Feeds
New: FeedbackForm: Web Feedback with Sentience Test

JavaScrypt: Browser-Based Cryptography
The Digital Imprimatur and The Internet Slum
Annoyance Filter--Junk Mail Filter
The Autodesk File
Earth and Moon Viewer
The Hacker's Diet
Solar System Live
Your Sky
Total Solar Eclipse 2001 and 1999
John Walker's Reading List
U.S. Tax Code Online
Home Planet for Windows
The Analytical Engine