61. Math Forum: Ask Dr. Math FAQ: About Pi Explains what the constant is and a brief history. Includes resource links.Category Science Math Recreations Specific Numbers pi......What is pi? Who first used pi? How do you find it? What is itfor? How many digits is it? Ask Dr. Math FAQ. About pi http://mathforum.org/dr.math/faq/faq.pi.html

Ask Dr. Math: FAQ A bout Pi Dr. Math FAQ Classic Problems Formulas Search Dr. Math ... Dr. Math Home What is pi ( )? Who first used pi? How do you find its value? What is it for? How many digits is it? By definition, pi is the ratio of the circumference of a circle to its diameter. 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 you want a better approximation you can use a computer to get it. Here's pi to many more digits: 3.14159265358979323846. The area of a circle is pi times the square of the length of the radius, or "pi r squared": A = pi*r^2 A very brief history of pi Pi is a very old number. We know that the Egyptians and the Babylonians knew about the existence of the constant ratio pi, although they didn't know its value nearly as well as we do today. They had figured out that it was a little bigger than 3; the Babylonians had an approximation of 3 1/8 (3.125), and the Egyptians had a somewhat worse approximation of 4*(8/9)^2 (about 3.160484), which is slightly less accurate and much harder to work with. For more, see A History of Pi by Petr Beckman (Dorset Press).

62. Consorzio Conciatori Di Ponte A Egola San Miniato, pi Raggruppa concerie del paese. La storia, i servizi, le aziende associate, planimetrie delle varie zone industriali conciarie, link. http://www.consorzioconciatori.it/

Piazza Spalletti 12 - 56024 Ponte a Egola (PI) Tel. +39 0571 499477 Fax +39 0571 499450 email info@consorzioconciatori.it

63. Math Forum - Ask Dr. Math Archives: Middle School Pi Browse Middle School pi. Accuracy in Measurement 02/08/2002 Since pi is irrational,either the circumference or the diameter of a circle must be irrational. http://mathforum.org/library/drmath/sets/mid_pi.html

Ask Dr. Math Middle School Archive Dr. Math Home Elementary Middle School High School ... Dr. Math FAQ TOPICS This page: pi Search Dr. Math See also the Dr. Math FAQ Pi = 3.14159... Internet Library pi T2T FAQ pi day MIDDLE SCHOOL About Math Algebra equations factoring expressions ... Word Problems Browse Middle School Pi Stars indicate particularly interesting answers or good places to begin browsing. Accuracy in Measurement Since pi is irrational, either the circumference or the diameter of a circle must be irrational. How is that possible? Calculating Pi - Brent-Salamin Algorithm Can you show me a simple method to calculate pi accurately to an arbitrary number of digits? Facts about Pi What are some interesting facts about pi? Finding Pi: Buffon's Needle Method I was hoping to find a surprising way of finding pi using a needle and parallel lines... Formula for Pi I would like to know the formula for Pi that was used to calculate out to the bazillionth digit for the memory contests. Pi and the Area of Circles If pi truly goes on and on forever without repeating, is it impossible to find the exact area of a circle?

64. Darren Aronofsky Online: Pi Short review and trailers. http://aronofksy.tripod.com/pi.html

News Interviews Biography Previous Films ... Home Chaos Theory Expanded. FILM: Pi (Released in 1998) STARRING : Sean Gullette, Mark Margolis, Ben Shenkman RATING: R Chaos theory, for those unfamiliar with the term, is based upon the little things that can cause big disruptions in our world. Take the butterfly effect for example; a butterfly flaps its wings somewhere in China and the wind that it stirs up may someday change weather patterns in New York. (Hey, it just might happen!) Time travel is one of the biggest mind bogglers in the our world today. Just going back could change the whole outcome of human history. Yeah, it's a lot to think about, and this film builds upon theories similar to these...more than the rest of the world may want. Darren Aronofsky is now an instant legend in indie-filmmaking for this film. It is incredibly original, smart, somewhat disturbing, and may stick in your mind like crazy glue. I have never seen a film that has so challenged my perception of reality since David Lynch's Eraserhead. (Viewers have often compared the two films for their similarities in mood and style.) Although, I was kind of thrown off by Eraserhead's metaphores that only Lynch understood, Pi had me gripped until the end. Gullete plays Max Cohen, a mathematical genius on the brink of a new discovery, and also on the edge of insanity. Everything around us is comprised of patterns, and Max is trying to find one in the largest productions of ordered chaos: the stock market. With the aid of his giant computer system, Euclid, he tries to find a pattern in stocks that are traded every second. After uploading a disk with a Hebrew alphabet, Euclid prints out a two hundred and sixteen digit number that may in fact be the very name of God (According The Torah). Hounded by a stock firm who will do anything to retrieve the code from him and his uncontrolable migraines, Max finds himself in a mess that may or may not end his life.

65. Welcome To Kappa Delta Pi: International Honor Society In Education International honor society in the field of Education. http://kdp.org/

If you'd like to connect with some of the brightest people and ideas in the field of education, join our mailing list. Sign in for members-only pages. If you are unsure of log-in info, call 1-800-284-3167. username: password: I Teach Regional Conference, OK I Teach Regional Conference - April 12, 2003: University of Central Oklahoma , Edmond, OK Click here for information and registration. More... Convo at a Glance Click here to get a glance at Convo 2003! Educators and students from around the world will participate in more than 215 workshops, general sessions led by Laureates ... More... Fund-raising T-Shirt Is your chapter looking for a fundraising idea to attend Convocation? Last year, we offered t-shirts that chapters could purchase at cost and then sell for a profit. Over 2500 shirts were sold, and chapters are asking ... More... Calgary Study Tour Click here for information and registration for the International Study tour in Canada this year, July 6-9, 2003. Click More... National Day of Service Did your chapter participate in National Day of Service and make a difference in your community? Tell us about your success by clicking

66. Pi Alpha Phi - San Jose State University - Delta Chapter At the California State University in San Jose. http://www.pialphaphi.com/sjsu/

67. Beta Theta Pi Founded in 1839, Beta is an international fraternity built on a foundation of brotherhood, excellence, Category Society Organizations B Beta Theta pi...... After chapter or alumni assn. meetings, have each member share a memorableBeta event or give a reason why they joined Beta Theta pi. http://www.betathetapi.org/

Tyler Hollenbeck, Washington '03, was honored with the University's Junior Honor Medal for academic achievement. The Junior Medal is awarded to a senior at UW with the most distinguished academic record. A finance major, Ty owns a 3.98 grade-point average. A 2002 scholarship recipient of the Hugh E. Stephenson Oxford Cup, he is former pledge class president, assistant house manager and two-term chapter treasurer. Recently, Ty was admitted to the Phi Beta Kappa honor society. March 21, 2003 - Register now for Institute Beta Wilderness Challenge and Beta Foundation scholarships! March 21, 2003 - Win an Inn in Colorado; Enter the essay contest today March 20, 2003 - East Carolina No.1 in classroom; Host education speaker this month March 20, 2003 - Utah Betas help neighborhood; Notable accomplishments After chapter or alumni assn. meetings, have each member share a memorable Beta event or give a reason why they joined Beta Theta Pi. Kettering Betas report this fantastic idea! Summer Activities What is your favorite summer pastime? baseball fishing golfing swimming picnicing cookouts outdoor concerts camping tennis boating yard work/gardening biking amusement parks/fairs/carnivals Current Results 5134 Bonham Road P.O. Box 6277

68. Omicron Pi Sorority founded in 1987 in Hoboken, New Jersey. http://attila.stevens-tech.edu/bherc/opi.html

Omicron Pi "The hands are there for friendship. The heart is there for love. For loyalty throughout the year The crown is raised above." Pictures Current Sisters History Sorority Symbols ... Any questions

69. Pi 3.14159 - Friends Of Pi Club The number pi is a mystery. pi's nature has preoccupied mathematicians since ancientgreece. However, it's possible to enjoy pi, its beauty and mystery. http://www.astro.univie.ac.at/~wasi/PI/

Welcome to the Friends of Pi Club! The main objective of our club is to uphold, promote and celebrate the spirit of Pi! The nature of the number Pi has preoccupied and bothered mathematicians since the beginning of mathematical history. The most important properties of Pi are its irrationality and transcendence, which were established in 1766 by Lambert and 1882 by Lindemann, respectively. In the twentieth century the focus has been on a different sort of question, that is whether Pi is normal or not. Simply spoken, it's the question whether Pi is random. Do all digits occur equally often within Pi or will we possibly some time discover a place after which for example only 0's and 1's appear? The Friends of Pi bring up a new question beyond the horizons of irrationality, transcendence and normality - by asking: Is Pi aesthetic? The latest Pi calculation record: 206,158,430,000 digits! N E W S F L A S H ! The World's largest pi mosaic N E W S F L A S H ! The discovery of a 2345-digits egg Easter 2001 The Adoration of Pi Proclaiming Pi ... Regulations of the Club Listen to Pi! The Pi-Phony The Personal Pi sign!

70. Sigma Pi In Toronto, Ontario. http://www.total.net/~flatline/pkp/sigma_pi.htm

Canada's Only National Fraternity S I G M A P I University of Toronto - Toronto, Ontario T his site is under renovation/updating. Please come back soon. CHAPTERS HOME This web site was originally created by Glenn Pearson and GLAD Web Services It has since been updated and revised by Phi Kappa Pi Fraternity (Canada) 1999.

71. Pi, That Crazy Chick - Home - French Recording Artist , Singer Songwriter Pi San Francisco based singer/songwriter and musician. Site includes biography, gig dates, and song samples.Category Arts Music Women in Music Bands and Artists P......The home page for French recording artist pi. Information for her new cd, Irrational,on sale now. Babes With Beats. Theory Download. New tunes from pi! http://www.thatcrazychick.com/

Home Preview New Songs! All About Pi Pi's Mailing List Pi Press ... Merchant policy

72. Pi Lambda Phi - University Of Windsor - Canada Kappa Kappa Chapter Located in Windsor, Ontario. http://www.uwindsor.ca/pi.lambda.phi/

73. Pi Sigma Alpha: The National Political Science Honor Society Welcome to the home page of pi Sigma Alpha (PSA), the National PoliticalScience Honor Society. Please use the above button bar, our http://www.apsanet.org/~psa/

SPRING 2002 NEWSLETTER CHAPTER REQUIREMENTS WELCOME! Welcome to the home page of Pi Sigma Alpha ( PSA ), the National Political Science Honor Society. Please use the above button bar, our complete table of contents or any of the following links for more information about PSA About PSA The history, purpose, organization, and programs of Pi Sigma Alpha Recent issues of the PSA Newsletter, information on PSA programs and awards, and recent award recipients Chapter Information How to start and maintain a PSA chapter, and a complete list of all the PSA chapters PSA Forms Print out Chapter Establishment and Membership Certificate request forms, as well as order forms for PSA Accessories PSA Accessories Descriptions and order forms for Pi Sigma Alpha jewelry, medallions, and mugs Other Web Sites Links to other web sites related to Pi Sigma Alpha and political science, including PSA chapter sites Pi Sigma Alpha 1527 New Hampshire Ave., NW Washington, DC 20036 pisigmaa@erols.com Comments or suggestions? pisigmaa@erols.com Design by Michael Toppa: toppa@sirius.com

74. Sigma Pi Delta Sorority founded in 1908. Member list and photographs. http://www.augustana.edu/campus/studentorgs/spd/initial.htm

Sigma Pi Delta "Individually Unique, Together Complete" Purpose Service History Alumni ... Contact Us Edited By: Molly McMillan

75. Pi Psi Fraternity, Incorporated Calendar, photos, principles, founders, and other information about the Gamma Phoenix Chapter at UMich in Ann Arbor. http://www.umich.edu/~pipsi/

Some said it could not be done. Others thought it would not happen. Some witnessed and even experienced the progress, but lost faith in themselves. Others were not the men they claimed to be. Yet and still, PI PSI has continued to be the organization in which it has claimed to be. PI PSI never did attempt to put its self above other organizations; nor did it take a step down to allow the elders to rule. Yet PI PSI took a place amongst the giants, so that others could endure the good deeds in which were manifested. Take a journey with me, over to Psi Land and begin to experiene the D.I.R.T.Y. Y cle The Fearless Five are your Guide. Click on the above picture or the DIRTY Psi

76. PI. HomePage pi. Home page Japanese only 424931 th visitor since 20, March1997 We are flower member prev Xring next 03 http://www.ipc-tokai.or.jp/~ytanaka/

‚o‚hD Home page Japanese only th visitor since 20, March 1997 XVî•ñ version 1.20‚ðŒöŠJ version 1.10‚ðŒöŠJ version 1.05‚ðŒöŠJ version 1.00‚ðŒöŠJ ‚w‚U‚W‚O‚˜‚O ƒƒKƒhƒ‰ƒCƒu ƒTƒ^[ƒ“ ‚o‚b^‚`‚s ... ytanaka@ipc-tokai.or.jp

77. Untitled Document Founded in 1994. http://www.geocities.com/Tokyo/7122/

78. Praetorian Pi Praetorian pi The little Praetorian pi symbol but what does it mean? Don't forgetto let me know that you took one too. The pi has been discovered times! http://www.megsplace.com/pi.html

Praetorian Pi Meg6212@aol.com and let me know that you've taken one of my pi graphics, then place it on the bottom right side of your site and see what happens. Link the graphic to this page: http://www.megsplace.com/pi.html and don't forget to let me know. Then as people find it they will also be given the chance to continue the conspiracy or is it? Please remember that you may not have come from my site to this page, many people are out there on the net helping with this "conspiracy" - so if you found this page and haven't found my site and would like to check it out my site is http://www.megsplace.com Carry on the "Gatekeeper" - the Praetorian Pi symbol You may select from any of these graphics to place on your site. Simply save the image you like the best, and upload it to your own server. Then place it on the botton of your site to the right hand side and link it back to http://www.megsplace.com/pi.html then you will help continue to carry it on. Don't forget to let me know that you took one too.

79. Northern Arizona University Theta Pi Chapter: Pi Sigma Alpha -- Nat. Political S Contains an overview of the organization and membership details. http://dana.ucc.nau.edu/~psa-p

Political Science Honor Society Northern Arizona University Theta Pi Chapter What is Pi Sigma Alpha? Pi Sigma Alpha is a national political science honor society based in Washington D.C. Its chapters are established in colleges and universities of accredited and recognized standing which offer a prescribed minimum program in political science. PSA is a prestigious organization that both encourages interaction among political science students and recognizes their achievements. Pi Sigma Alpha has 440 chapters with Approx. 25,000 members nationally. Who can join? Formal membership is limited to political science majors or minors who have completed at least 12 hours of political science with a minimum 3.0 overall GPA and at least one political science class at the 300 or 400 level. However, all Northern Arizona University students, regardless of credit hours earned, are invited to participate in all Theta Pi Chapter meetings and activities. When and where does Pi Sigma Alpha meet? Wednesdays at 5:30 p.m in the Walnut Room (second floor) of the University Union. Questions? Contact the

80. Frequently Asked Questions In Mathematics Covers diverse topics such as algebra structure, names for large numbers, how to compute pi and games. http://www.cs.unb.ca/profs/alopez-o/math-faq/math-faq.html

This web site has moved to http://db.uwaterloo.ca/~alopez-o/

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