Digits
Am I in Pi, Are the Digits of Pi Random?, Beauty, Digital Piety: A Poem about Memorizing Pi, Digits of Pi, How to Memorize Pi, Pi, Project Gutenberg Pi Listing, Search for strings within Pi, Search for your Name in the Digits of Pi
Poetry
Digit Connection, Liz's Pi Poems, PI Poem by Jesse Campbell, Pi Poetry & Piaku, Poe, E.: Near a Raven
Programs
Archimedes And The Computation Of Pi, Armpi 4 for the ARM processors, Austin's Wasted Cycles, Carey Bloodworth's Pi programs, Computing Pi, Dara's Pi Page, efg's Computer Lab: Buffon's Needles La, HiPiLib - High Performance Libraries, Jasonp's Pi programs, Martin's Pi Page
A Common Book of Pi
Includes a brief history, a page with different formulas and a list of references.
A New Approach to the Universal Constant "pi&
A text that tries to prove that pi is 3.1416 exactly.
A Slice Of Pi
Digits, chronology, expressions, other constants, maths books, fractals, Rolling Stones lyrics, and computer games.
Ancient Pi: Knowers of the Universe
The concept of pi refers to the constant ratio of the diameter:circumference of any circle; irrespective of the number of degrees contained within that circle. An article in the "Science in Ancient Artwork"-Series by Charles William Johnson.
Archimedes and the Computation of Pi
A page that contains links information on Archimedes and an interactive applet that illustrates how he estimated Pi.
Archimedes' Approximation of Pi
Describes the method introduced by Archimedes for aproximating Pi.
Archimedes' Constant
Information about the constant and some mathematical discussion of the effects.
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.
Bailey on Pi
Briefly explains David Bailey's work with NASA's supercomputers and the development of a workable formula to evaluate Pi for any number of decimal places.
Buffon's Needle
An analysis of its relation to Pi and a simulation by George Reese.
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.
Earth Mysteries : Notes on Pi (¼ )
An introduction to the number Pi and its history.
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.
Fun With Pi
A Topica email list. Archives readable by anyone.
Greg's Page of Pi
Includes introduction to Pi, 3 pieces of Pi art and links.
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.
How pi?
Extracting the digits of pi from the SlOka
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.
Lucy Scale Developments
Pitch, Pi, and other musical paradoxes.
One Billion Digits of Pi
Ramanujan, modular equations, and approximations.
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.
Pi Land
Fun activities, a Pi trivia game and a Trainer for digit memorization. Pi poetry, artwork, and photography, calculations, digits and book reviews.
pi Mathematics
Teacher resources, history, activities, and information.
Pi Memorama
Includes a program that teaches Pi for the Mac, a page on why people learn to recite Pi and pages on how to memorise Pi.
Pi Patterns
Images and illustrations created by using the digits of the circle constant.
Pi Shop
Provides accessories with Pi-Prints on them. Shirts, mugs and bags.
Pi Through the Ages
History.
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.
Randomly Distributed Slices of pi
An article by Charles Seife about how mathematicians slowly circle in on a proof that pi's unpredictable digits really are as random as they seem.
Science News Online: Pi à la Mode
An article describing a potential link between two disparate mathematical fields-number theory and chaotic dynamics-that could lead to a proof that every digit of pi occurs with the same frequency.
The 1000 billionth binary digit of PI is '1&a
Announcement of the 1000 billionth digit of Pi.
The Constant Pi
History, formulae, algorithms, programs, records of computation, and references.
The Friends of Pi Club
News, club, links, and information.
The Magic Piworld
Provides generated pictures and personal signs out of digits of Pi. Also a Picture Gallery, PiSign, PiPhonie.
The Pi Pages
Information on Pi, its history, its future, and the people involved in its calculations.
The Ridiculously Enhanced Pi Page
Information on links for Pi Day.
The Uselessness of Pi and its Irrational Friends
Clubs, links, memorizing technique, records, art, and programs.