The Joy of Pi - Book, digits, links, facts, and quote. How Stuff Works: Pi - Animated graphic helps to explain Pi and the different ways of calculating Pi, with some related links. Pi Through the Ages - History. History and Philosophy of Pi - Probably no symbol of infinity in mathematics has evoked as much mystery, romanticism, misconception and human interest as the number and Greek letter of Pi. Interesting facts and trivia about Pi. A Common Book of Pi - Includes a brief history, a page with different formulas and a list of references. The Constant Pi - History, formulae, algorithms, programs, records of computation, and references. Pi World Ranking List - Every sport has its championship. Every sport has its world ranking list. For many who like to memorize numbers, PI is the ultimate number, and it makes sense to create a list for people to get in touch and learn where they stand in the world of memorizers. The Magic Piworld - Provides generated pictures and personal signs out of digits of Pi. Also a Picture Gallery, PiSign, PiPhonie. Lucy Scale Developments - Pitch, Pi, and other musical paradoxes. Elias' Pi Page - Includes Pi in the Binary number system, Pi as a sound file and Pi shown in different images. Ask Dr. Math: About Pi - Explains what the constant is and a brief history. Includes resource links. Pi Land - Fun activities, a Pi trivia game and a Trainer for digit memorization. Pi poetry, artwork, and photography, calculations, digits and book reviews. Fun With Pi - A Topica email list. Archives readable by anyone. Pi Approximation Day - 22/7 - that is, July 22. For the past few years, people at Chalmers University have celebrated it. A Slice of Pi Home Page - Features an historic overview of the discovery and estimate methods of pi. formula expressions, and the first 100,000 digits. Some pages use a Geometer's Sketchpad program. The Ridiculously Enhanced Pi Page - Information on links for Pi Day. Calculating Pi - An open source endeavor for the calculation of this constant. Describes the project, the implemented algorithms for calculation and software downloads. Ask Dr. Math - Pi - Dr Math answers over 60 questions submitted by people about pi including questions on the Bible's relationship to it and its relationship to trigonometry. A Tribute to Pi - Club and information. Buffon's Needle - An analysis of its relation to Pi and a simulation by George Reese. The Pi Trivia Game - History, math, and physics questions.