Pi = 3.1415926535... An irrational number, a never ending yet never repeating decimal, Pi has been calculated and explored throughout history from the ancient times to the present.
Includes a brief history, a page with different formulas and a list of references.
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.
Club and information.
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.
Explains what the constant is and a brief history. Includes resource links.
An analysis of its relation to Pi and a simulation by George Reese.
An open source endeavor for the calculation of this constant. Describes the project, the implemented algorithms for calculation and software downloads.
Includes Pi in the Binary number system, Pi as a sound file and Pi shown in different images.
A Topica email list. Archives readable by anyone.
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.
Animated graphic helps to explain Pi and the different ways of calculating Pi, with some related links.
Pitch, Pi, and other musical paradoxes.
22/7 - that is, July 22. For the past few years, people at Chalmers University have celebrated it.
Fun activities, a Pi trivia game and a Trainer for digit memorization. Pi poetry, artwork, and photography, calculations, digits and book reviews.
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.
History, formulae, algorithms, programs, records of computation, and references.
Book, digits, links, facts, and quote.
Provides generated pictures and personal signs out of digits of Pi. Also a Picture Gallery, PiSign, PiPhonie.
History, math, and physics questions.
Information on links for Pi Day.
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