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Pi

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Websites
Book, digits, links, facts, and quote.
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The Joy of Pi  The Book The Author The Digits Pi Links Pi Facts The Quote...
http://www.joyofpi.com/

Information on links for Pi Day.
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The Ridiculously Enhanced Pi Page  While this is technically the Ridiculously Enhanced Pi Page you are seeing a lesser non-enhanced version. Please note that this particular version is neither enhanced nor ridiculous and is in fact rather ordinary. If you came here looking for something...
http://www.exploratorium.edu/learning_studio/pi/

History, math, and physics questions.
http://eveander.com/trivia/

Teacher resources, history, activities, and information.
http://www.ncsa.uiuc.edu:80/edu/RSE/RSEorange/buttons.html

Digits, chronology, expressions, other constants, maths books, fractals, Rolling Stones lyrics, and computer games.
http://www.yxq98.ukgateway.net/

Club and information.
http://www.acc.umu.se/~olletg/pi/tribute.html

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.
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Math Stuff  Download free pi software (for the Mac read and submit reasons for memorizing pi, and learn a memory system and thanks to the privacy of the internet, you can do it all without wearing any pants. Why? Why memorize pi?...
http://www.ac.wwu.edu/~mnaylor/pi.html

Includes history of Pi, songs and jokes, poems, news and the first 1,000,000 digits.
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Dale's Pi Page  All pictures copyrighted to respective parties* web page hosted by get your free homepage here...
http://www.geocities.com/SiliconValley/Pines/5945/

News, club, links, and information.
http://www.astro.univie.ac.at/~wasi/PI/pi_club.html

Ramanujan, modular equations, and approximations.
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One Billion Digits of Pi  This article will follow up one small thread of Ramanujan's work which has found a modern computational context, namely, one of his approaches to approximating Our experience has been that as we have come to understand these pieces of Ramanujan's...
http://www.cecm.sfu.ca/organics/papers/borwein/index.html

Animated graphic helps to explain Pi and the different ways of calculating Pi, with some related links.
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Howstuffworks How Pi Works  Pi is an extremely interesting number that is important to all sorts of mathematical calculations. Anytime you find yourself working with circles, arcs, pendulums (which swing through an arc etc. you find Pi popping up. We have run into Pi...
http://www.howstuffworks.com/pi.htm

History.
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Pi history  A little known verse of the Bible reads And he made a molten sea, ten cubits from the one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits...
http://www-groups.dcs.st-and.ac....tTopics/Pi_through_the_ages.html

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.
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3.1415926535 History and Philosophy of Pi  Promoter search my site return true onmouseout window.status BrianTaylor.com return true Changing The World 1 Web Page At A Time FSBi.com 3.14 History and Philosophy of Pi Pi 3.1415926535 Dictionary.com Definition currently the value of Pi is known to 6.4...
http://briantaylor.com/Pi.htm

Extracting the digits of pi from the SlOka
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How pi?  Extracting the digits of pi from the SlOka Some sa~skRth trivia. Is the following a SlOka on kRShNa, a SlOka on Seva or an incredible (and mostly accurate) mnemonic for pi. A note on notation Some of what you read...
http://www.geocities.com/Researc...angle/Facility/4118/misc/pi.html

Includes a brief history, a page with different formulas and a list of references.
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A Common Book of Pi  The mysterious and wonderful is reduced to a gargle that helps computing machines clear their throats Philip J. Davis In recent years, the computation of the expansion of has assumed the role of a standard test of computer integrity David...
http://personal.bgsu.edu/~carother/pi/Pi1.html

History, formulae, algorithms, programs, records of computation, and references.
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 A enclosed by the circle to the square of its radius r: A pr2. Archimedes Analytical definition In 1934, the German mathematician Edmund Landau (1877-1938) gave a new and analytical definition based on the cosine function cos t 1 t2...
http://numbers.computation.free.fr/Constants/Pi/pi.html

Includes introduction on why people would want to calculate Pi, four methods for calculating it, over 8000 digits, poems and music.
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Paul's Page of Pi  [Paul the Mathematician Gusmorino World Home]...
http://www.escape.com/~paulg53/math/pi.html

Includes introduction to Pi, 3 pieces of Pi art and links.
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Pi  Welcome one and all to my page of pi! Pi Art The Rite of the Pi Worshipers The First National Bank of Pi The Great Pi Mesa CLICK ON A PICTURE TO VIEW IT ENLARGED The Beginning of Pi Your...
http://paperpen.com/greg/pi/

An introduction to the number Pi and its history.
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EARTH MYSTERIES: Notes on Pi  Greek letter is the most famous ratio in mathematics, and is one of the most ancient numbers known to humanity. Pi is approximately 3.14 the number of times that a circle's diameter will fit around the circle. Pi goes on...
http://witcombe.sbc.edu/earthmysteries/EMPi.html

Clubs, links, memorizing technique, records, art, and programs.
http://www.go2net.com/internet/useless/useless/pi.html

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.
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Pi World Ranking List  HOME BACKGROUNDRULESLISTSNEWSLINKSCONTACT WELCOME TO THE FIRST EVER PI WORLD RANKING LIST last update (NEWS, LISTS 20 October 2005...
http://www.pi-world-ranking-list.com/

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.
http://www.sciencenews.org/20010901/bob9.asp

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.
http://www.nersc.gov/~dhbailey/pi-science.html

Provides generated pictures and personal signs out of digits of Pi. Also a Picture Gallery, PiSign, PiPhonie.
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JVSchmidt and HAEL YGGS: Magic Piworld  M A G I C P I W O R L D M A G I C P I W O R L D JVSchmidt and HAEL YGGS PIWORLD Gallery ZIRKUMFERENZ 2004 JVSchmidt PI BOOK HAEL YGGS PI SHIRT HAEL...
http://www.piworld.de/piworld/mpw_home.htm

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.
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Ancient Pi: Knowers of the Universe  Any practical attempt to divide the diameter of a circle into its own circumference can only meet with failure. Such a procedure is entirely theoretical in nature. Dividing unlikes, a straight line (the diameter of a circle) into a curved...
http://www.earthmatrix.com/ancient/pi.htm

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.
http://mathforum.org/dr.math/tocs/pi.middle.html

Pitch, Pi, and other musical paradoxes.
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LucyTuning*LucyScaleDevelopments*Pi tuning*Tech. Info.  Setting tuning and harmonic standards for the next thousand years beyond Have fun with them. Nov 1987: The London Sunday Times on LucyTuning To use FRAMES to explore this site Search Search LucyTuning Site The Web for Run animation of...
http://www.harmonics.com/lucy/ltindex.html

Information about the constant and some mathematical discussion of the effects.
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Mathematical Constants  My website is smaller than it once was. Please visit again, however, since new materials will continue to appear occasionally My book Mathematical Constants is now available for online purchase from Cambridge University Press (in the United Kingdom and in...
http://pauillac.inria.fr/algo/bsolve/constant/pi/pi.html

Information on Pi, its history, its future, and the people involved in its calculations.
http://www.cecm.sfu.ca/pi/

Includes Pi in the Binary number system, Pi as a sound file and Pi shown in different images.
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Elias Pi Page  Pi always written in the decimal number system? It would be even more beautiful if it was written in the simplest of all number systems, the binary. Read through the 32768 first bits of binary Pi! Listen to Pi There...
http://www.befria.nu/elias/pi/

Images and illustrations created by using the digits of the circle constant.
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112 pieces of Pi  I started to generate images with the digits of Pi. Four examples are presented here. In this version, a color value is assigned to each of the digits 0-9 to make this pretty picture. Thanks to David Blatner for his...
http://www.antigravitypress.com/Math/pi/

A text that tries to prove that pi is 3.1416 exactly.
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3.1416 number pi. Squaring the circle. Mathematics.  Attached you will find an original, I would like to believe, research study, concerning «A new approach to the area of a circle» and thus a new approach to the Universal Constant pi. The innovative aspect of the new approach...
http://alkyone.com/mak-pi-gr/en/

Explains what the constant is and a brief history. Includes resource links.
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Math Forum: Ask Dr. Math FAQ: About Pi  Pi is always the same number, no matter which circle you use to compute it. For the sake of usefulness people often need to approximate pi. For many purposes you can use 3.14159, which is really pretty good, but if...
http://mathforum.org/dr.math/faq/faq.pi.html

Showcases digit extraction and FFT multiplication algorithms.
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Fabrice Bellard's PI page  I have spent some time on the computation of Pi. This is not so uninteresting as it seems to be since it uses many beautiful algorithms. Some new formulas and algorithms (Jan 20 1997) While playing with the Taylor series...
http://fabrice.bellard.free.fr/pi/

Fun activities, a Pi trivia game and a Trainer for digit memorization. Pi poetry, artwork, and photography, calculations, digits and book reviews.
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Pi Land  Page still going as a young(ish) graduate in the early 1990s, the site probably did more than anything else to convince me that Mosaic (ask your grandparents) was useful for something other than downloading porn and spreading maliciously doctored photos...
http://www.eveandersson.com/pi/

Bill proposing new value of pi.
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Legal/indiana pi bill  I sent out a bunch a letters, one to the Legislative Services Agency in Indiana asking for information about the following two lines in the AFU FAQ (quotations cited under fair use T.*Indiana House Bill #246 of 1897 would've set...
http://tafkac.org/legal/indiana_pi_bill.html

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.
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Did You Ever Wonder? Scientist profile: David Bailey  Bailey may be getting close. Bailey is chief technologist for the National Energy Research Scientific Computing Center (NERSC) and an innovator in the field of experimental mathematics a pursuit that has brought him and his colleagues tantalizingly close to solving...
http://www.lbl.gov/wonder/bailey.html

Pi digits, random links, and some downloads.
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PiLand.com  Welcome to the wonderful land of Pi Another Pi Site Cool Stuff Fun Links Search Google: 3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647 0938446095 5058223172 5359408128 4811174502 8410270193 8521105559 6446229489 5493038196 4428810975 6659334461 2847564823 3786783165...
http://www.geocities.com/landofpi/

Mathematics as the language of nature.
http://www.freewebs.com/pi3point1416/

A Topica email list. Archives readable by anyone.
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Topica Email List Directory  One of the few constants in life that we use daily is Pi, you know, 3.1415 which is used to calculate all sorts of things with circles. We need to honor Pi, its concepts, and the strange things that happen...
http://lists.topica.com/lists/funwithpi@igc.topica.com/

Describes the method introduced by Archimedes for aproximating Pi.
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Archimedes Approximation of Pi  One of the major contributions Archimedes made to mathematics was his method for approximating the value of pi. It had long been recognized that the ratio of the circumference of a circle to its diameter was constant, and a number...
http://itech.fgcu.edu/faculty/cl...f4404/archimedes/archimedes.html

Announcement of the 1000 billionth digit of Pi.
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The PI Challenge  This project consists in the computation of the n'th binary digits of PI. We use an original method developped by Bailey, Borwein, and Plouffe to be able to compute the n'th binary digits of PI without computing the previous ones....
http://fabrice.bellard.free.fr/pi-challenge/

An analysis of its relation to Pi and a simulation by George Reese.
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Buffon's Needle  Run the simulation using a Java applet Introduction to the problem. The simplest case The other cases An estimate that is very close Questions References Download a graphical simulation program (Macintosh, binhexed) An interesting extension posed by p. ganguly. Send...
http://www.mste.uiuc.edu/reese/buffon/buffon.html

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.
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Is Pi normal?  The definition is as follows: A real number x is normal in base b if in its representation in base b all digits occur, in an asymptotic sense, equally often. In addition, for each m, the b^m different m-strings must...
http://pi314.at/math/normal.html

Provides accessories with Pi-Prints on them. Shirts, mugs and bags.
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Pi CafePress.com  Enter your keyword or topic to find products. All Products All Stores SHOP CATEGORIESPostage Apparel Baby Housewares Hats Bags Stickers, Buttons Magnets Posters, Prints and More! Design and sell t-shirts for free! SHOPKEEPER BIOPIMassachusettsMember Since: 20043.14159265358979323846264338327950288419716 Subscribe to this shop's...
http://www.cafepress.com/piday314

22/7 - that is, July 22. For the past few years, people at Chalmers University have celebrated it.
http://www.rebas.se/humor/piapprox.shtml

This site describes pi's history, characteristics, and application. It also includes a distributed computing application for finding a large number of digits.
http://library.thinkquest.org/C0110195

Parody of the song "Bye Bye Miss American Pie" elaborating on the history of pi.
http://www.vvc.edu/ph/TonerS/mathpi.html

A free windows application used to help memorize the number Pi to 10000 digits.
http://brianbondy.com/other/pi.aspx