A New Approach to the Universal Constant "pi"
A text that tries to prove that pi is 3.1416 exactly.
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.
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.
Ask Dr. Math: About Pi
Explains what the constant is and a brief history. Includes resource links.
Calculating Pi
An open source endeavor for the calculation of this constant. Describes the project, the implemented algorithms for calculatinon and software downloads.
Dale's Pi Page
Includes history of Pi, songs and jokes, poems, news and the first 1,000,000 digits.
Elias' Pi Page
Includes Pi in the Binary number system, Pi as a sound file and Pi shown in different images.
Fabrice Bellard's PI page
Showcases digit extraction and FFT multiplication algorithms.
How Stuff Works: Pi
Animated graphic helps to explain Pi and the different ways of calculating Pi, with some related links.
Is Pi normal?
An article by Stan Wagon about the idea of normality, first introduced by E. Borel in 1909, is an attempt to formalize the notion of a real number being random.
Paul's Page of Pi
Includes introduction on why people would want to calculate Pi, four methods for calculating it, over 8000 digits, poems and music.
Pi Approximation Day
22/7 - that is, July 22. For the past few years, people at Chalmers University have celebrated it.
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