61. Pi Day Purpose pi Day is a day to celebrate mathematics in your school. It gives us the perfect springboard to allow our students to have fun while investigating http://www.mathwithmrherte.com/pi_day.htm

M ATH WITH MR. HERTE Pi Day Pi Links Since April 13, 2002 Pi Day March 14th...Celebrate the Circle, Pi and the imagination and creativity of our students! Purpose: Pi Day is a day to celebrate mathematics in your school. It gives us the perfect springboard to allow our students to have fun while investigating mathematics concepts, being creative and even a little silly. If you have any ideas email them to me. I will eventually be attaching some of the materials to each activity so you can click onto it for more ideas. Pi Day Activities! Name That Circle! (9th -11th Grade) Students are shown a graph of a circle and the student that can correctly give it's equation wins! You can run it as a team competition or one on one. Be certain to go over the general equation of a circle first. For grade 9 or students who have not studied this keep all circles in the first quadrant. Examples Pi Digit Distribution (Elementary - HS) The younger students can look at the first 50 or 100 digits of pi and make a bar graph of the frequency of each digit. (How many times does appear?) Students enjoy this rich data source for bar graphs. HS students find the mean of the first 100 digits (use scientific calculators/graphing calculators) Create circle graphs based on the digits -excellent use of protractors, fractions, decimals and angles if done by hand. Use spreadsheets to examine the distribution of the digits. Examples Rolling Along...

62. Welcome To Pi Beta Phi The official homepage of pi Beta Phi Women s Fraternity, founded April 28, 1867. http://www.pibetaphi.org/

Home My Pi Phi Foundation RIF Form ... Contact Us Welcome! RIF Forms Sister Search Foundation Photo Gallery ... Help In The News New E-Card Premieres! Pi Beta Phi is featured on a new e-card as part of The Literacy Site's "Free Book Promotion." In honor of the 50th anniversity of National Library Week, one new book will be donated to a child in need for every e-card viewed - for a limited time!  Click here  to send the "Free Book Promotion" e-card to your family and friends! When your e-card is opened, First Book and Pi Beta Phi will provide a new book for a chlid in need! April 2 Marks International Children's Book Day  On or around Hans Christian Andersen's birthday, April 2, International Children's Book Day is celebrated every year. Take a minute and read a book to a child! For more information,  go here. Pi Beta Phi and First Book Sponsor Shopping Party  Pi Beta Phi members from The George Washington University gave a $500 gift card, donated by Borders , to Martha’s Table, Inc., so that children would be able to have their own books. Members of the Fraternity received the gift card as the second-place prize in a Virtual Book Drive sponsored by First Book. At the shopping party held on March 28, more than 20 children from Martha’s Table chose books to take home, and Fraternity members read aloud and enjoyed snacks with the children. For more information on Pi Phi's partnership with First Book,  click here CFEA Scholarship Available to Undergraduates The board of directors of the College Fraterntiy Editors Association established the CFEA Scholarship Program in May 2005 to provide financial support to undergraduate members of Greek organizations pursuing degress in communications fields related to media or public relations. Juniors beginning their senior year in the fall of 2008 or seniors who complete their senior year in the fall of 2008 are encouraged to apply.

63. 100000 Digits Of Pi 100000 Digits of pi pi Logo . Go to Historical Overview of pi Go to A Slice of pi Home Page pi Logo http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html

100,000 Digits of Pi Go to Historical Overview of Pi Go to A Slice of Pi Home Page http://www.geom.umn.edu/~huberty/math5337/groupe/digits.html Created: March 1996 Last Modified: July 6, 1997

64. Delta Sigma Pi - America's Foremost Professional Fraternity For Men And Women Pu Official site of the national organization for men and women pursuing careers in business. Overview, event information, chapter list and links, job postings http://www.dspnet.org/

Home Contact Us Deltasig inCircle Search About Us Collegiate Members Alumni Awards ... Careers A Deltasig Scholarship Could Be Yours! The Delta Sigma Pi Leadership Foundation is awarding more than $40,000 in scholarships to Deltasigs this year — will you be a recipient? more >> April 25 is National Alumni Day Join fellow Deltasigs on April 25th and celebrate our brotherhood. more >> April 4th Fall LEAD School Registration Now Available read more >> April 2008 S M T W T F S all events >> Web Hosting and Design by PPC Communications

65. Pi Kappa Phi | Leaders By Choice National social fraternity founded at the College of Charleston on December 10, 1904. http://www.pikapp.org/

ABOUT US mission vision creed ... pushamerica.org LEADERS BY CHOICE 141 campuses across America, Pi Kappa Phi has broadened its commitment to building men who are leaders by choice. SLATE SELECTED FOR NOMINATION TO NATIONAL COUNCIL Over the past few months, the 2008 Nominating Committee of Pi Kappa Phi Fraternity has examined a list of candidates nominated for positions on the National Council of Pi Kappa Phi Fraternity. After deliberation, it is the unanimous recommendation of the Nominating Committee that the following brothers be presented to the 51st Supreme Chapter to serve in the corresponding capacity on the Nation Council of the fraternity. J. Jeffry Wahlen – National President (per Supreme Law) Mark F. Jacobs – National Vice President/President Elect Dudley F. Woody – National Treasurer Tracy D. Maddux – National Secretary Thomas B. Sullivan – National Historian David M. White – National Chaplain Daniel J. Bosshart – National Chancellor FULL TEXT >> PI KAPPA PHI EXPANDS IN GRAND CANYON STATE FLAGSTAFF, Ariz.—Pi Kappa Phi’s colony at Northern Arizona University has become the fraternity’s newest associate chapter and joins Beta Theta (Arizona) and Theta Xi (Arizona State) as the third chapter of Pi Kappa Phi in the Grand Canyon State. Senior Leadership Consultant Jake Henderson, Beta Theta (Arizona), and Leadership Consultant Mike Larsson, Theta Xi (Arizona State), led the expansion effort, which yielded a chapter of 54 men—the third largest among Northern Arizona’s 14 NIC/FLA groups.

66. Super PI Mod Modified Super pi version. 2005/02/22, Super pi mod now loads/saves the result times in msecs in pi_rec.dat. The original pi_rec.txt is no longer used http://www.xtremesystems.com/pi/

Super PI Mod Latest version: v1.5 XS, 2006/03/14 Download: super_pi_mod-1.5.zip - US (Las Vegas) Validate a checksum: Enter both the time and the checksum, and press Validate. Time: hours: mins: secs: msecs: Checksum: Changelog: First version Fixed minute bug (1:20 would show as 1:80) Super pi mod now loads/saves the result times in msecs in pi_rec.dat. The original pi_rec.txt is no longer used in this version because it just wasn't worth the trouble. Super pi originally stores the results in seconds internally so I had to do quite a bit of editing to get this to work at all :) Added cheat protection. I changed the text in the title bar so people can see that you haven't cheated when you post a screenshot with your results. Added more cheat protection. Try to cheat and it'll crash :) Moved the code around a bit and changed back the section permissions. Restarted from scratch. New features are an even more precise timer, no more 15 msec jumps. A checksum has been added which you can validate using the form above. Also results are now saved in an encrypted format for the jokers that like to edit the save file :) Your old results will no longer be loaded, a new file (pi_rec.dat2) is used. Sorry about that but it was the easiest way.

67. The Pi Pages - Updates (Math. Intelligencer, 20 (1998), 1415). Ludolph s Tombstone and pi in pieterskerk (July 5, 2000). 1.24 Trillion Digits (2002) 206 Billion Digits (1999) http://www.cecm.sfu.ca/~jborwein/pi_cover.html

Talking about Pi The Life of Pi History and Computation. (PDF) (June 2003) HTML Lecture on Pi and 25,000 Digits of Pi. PiDay 2003 (PDF Poster). High Order Pi Iterations (from Organic Mathematics Pi Chronology (to 1996) Other Papers on Pi (Somewhat) Related Lectures (Math. Intelligencer, 20 (1998), 14-15) Ludolph's Tombstone and Pi in Pieterskerk (July 5, 2000). 1.24 Trillion Digits (2002) 206 Billion Digits (1999) 50 Billion Digits (1997) Kanada's Web Pages ... Le Monde (PDF) Science News (1998) Lawrence Berkeley Research News (2000) on Digits of Pi Normality (PDF, Science Aug 2001), Science News , and Bailey's Plate NERSC Search Pi Interface. Primes in the expansion of Pi. CECM's "The Pi Pages" My Older Pi Pages The Joy of Pi Pi en francais: Peripheria Pi: A Source Book Second Edition (Review) Plouffe's Inverter A Colour Calculator (Java) The Magic PiBook and Gallery The Sounds of Pi and the Pi Symphony Hear also www.MusicOfPi.com Pi the Movie As in Science's NetWatch 26/3/99 and Smithsonian Pi History SFU / CECM / ~jborwein / Revised 07/6/2003 JMB

68. Pi Lambda Theta Home Page Founded in 1910, pi Lambda Theta is the most selective national honor pi Lambda Theta, PO Box 6626, Bloomington IN 474076646 E-mail office@pilambda. http://www.pilambda.org/

International Honor Society and Professional Association in Education Eligibility Ways to Join Member Benefits Publications ... The Educator As Leader (TEAL) Leadership Conferences Great Lakes Region Far West Region Northeast Region NSDC summer conference ... Online Store Lost your member number? Get it by e-mail. (If you have applied for membership recently please wait 30 days before requesting your member number.) Can't find what you are looking for? E-mail us Key to Your Future DON'T MISS THE NSDC SUMMER CONFERENCE! Orlando July 13-16, 2008 The National Staff Development Council (NSDC) sets the standards for educator professional development. In three short years NSDC’s summer teacher-leader conference has become the premier conference of its kind. It is developed by teacher leaders, for teacher leaders, and with teacher leaders. Register here for PLT's 10% members-only discount Plus Big early-bird discounts. Don't wait!

69. Sigma Delta Pi National Collegiate Hispanic Honor Society www.sigmadeltapi.org/ 20k - Cached - Similar pages pi Tau Sigma International Mechanical Engineering Honor Societypi Tau Sigma is a Mechanical Engineering Honor Society, instituted in order to establish a closer bond of fellowship among its members which will result in http://www.sigmadeltapi.org/

70. Pi Kappa Alpha pi Kappa Alpha is dedicated to developing men of integrity, intellect, and high moral character and to fostering a truly lifelong fraternal experience. http://www.pikes.org/

Make A Gift Join Locate a Chapter/Alumni Assoc. Shop Pike ... incircle.pikes.org PI KAPPA ALPHA MEMORIAL HEADQUARTERS P 901-748-1868 F 901-748-3100 E pka@pikes.org Optimized for Microsoft Internet Explorer 1024 X 768 or greater

71. Howstuffworks "How Pi Works" A fascinating article that explains pi and different ways of calculating pi! http://science.howstuffworks.com/pi.htm

HowStuffWorks.com RSS Make HowStuffWorks your homepage Get Newsletter Search HowStuffWorks and the web: Science Physical Science Physics This section explores general physics as well as quantum science. Topics like quantum suicide, parallel universes and time travel are all touched upon in this section. Related Categories: REFERENCE LINKS Print Email Cite Please copy/paste the following text to properly cite this How Stuff Works article: How Pi Works by Marshall Brain Inside This Article Introduction to How Pi Works Lots More Information See all Physics articles 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 when looking at gears spherical helium balloons and pendulum clocks . But you also find it in many unexpected places for reasons that seem to have nothing at all to do with circles. On one level pi is simple: It is the ratio of a circle's circumference divided by its diameter. This ratio, for any circle, is always the same - 3.14 or so. You can prove this to yourself with a circle, a piece of tape and a ruler. Look around your house and find something circular: a jar lid, a CD, a plate - whatever you can find that is circular, the bigger the better. Measure its diameter (the width across the center of circle) with the ruler. Now wrap a piece of tape around around the circle and cut or mark the tape so that it is exactly as long as the outer edge (the circumference) of the circle you are measuring. Measure the piece of tape. With a calculator divide the length of the tape by the diameter you measured for the circle. The answer you will get, if you have measured accurately, is always 3.14.

72. EMC To Buy Cloud Computing Start-up Pi | Tech News Blog - CNET News.com pi founder and former Microsoft exec Paul Maritz will head up EMC s cloud computing infrastructure division. http://www.news.com/8301-10784_3-9876318-7.html

News Blog Subscribe to News Blog February 21, 2008 2:44 PM PST EMC to buy cloud computing start-up Pi Posted by Martin LaMonica Post a comment EMC on Thursday said it will acquire Pi, a cloud computing start-up founded by former Microsoft executive Paul Maritz. Financial terms of the all-cash transaction were not disclosed. Maritz will join the storage company as president and general manager of a newly created Cloud Infrastructure and Services division. Privately held Pi , which has about 100 employees, is now beta-testing an online personal information management service (Pi stands for "personal information"). The software Pi is working on is designed to let people control, share, and publish information that is online or locally stored, according to the company's Web site. EMC said that Pi will fit into the company's "cloud infrastructure" strategy. Cloud computing is the idea of building and running applications that run on the Web and are delivered as a service. "We're saying that success in this new space will require a very different technology baseand a business modelvery unlike other parts of the traditional IT landscape," wrote Chuck Hollis, EMC's global marketing chief technology officer

73. EARTH MYSTERIES: Notes On Pi (¼ ) An introduction to the number pi and its history. http://witcombe.sbc.edu/earthmysteries/EMPi.html

written and produced by Chris Witcombe Sweet Briar College witcombe@sbc.edu Notes on Pi ( Pi, which is denoted by the 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 forever, and can't be calculated to perfect precision: 3.1415926535897932384626433832795028841971693993751.... This is known as the decimal expansion of pi. No apparent pattern emerges in the succession of digits - a predestined yet unfathomable code. They do not repeat periodically, seemingly to pop up by blind chance, lacking any perceivable order, rule, reason, or design - "random" integers, ad infinitum. In 1991, the Chudnovsky brothers in New York, using their computer, m zero , calculated pi to two billion two hundred sixty million three hundred twenty one thousand three hundred sixty three digits (2,260,321,363). They halted the program that summer. Pi has had various names through the ages, and all of them are either words or abstract symbols, since pi is a number that can't be shown completely and exactly in any finite form of representation. Pi is a transcendental number. A transcendental number is a number but can't be expressed in any finite series of either arithmetical or algebraic operations. Pi slips away from all rational methods to locate it. It is indescribable and can't be found. Ferdinand Lindemann, a German mathematician, proved the transcendence of pi in 1882.

74. Pi And The Fibonacci Numbers A formula for pi which involves just the Fibonacci numbers. It explains from first principles how to use the idea of slope, expressed as tangents of angles, http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fibpi.html

Pi and the Fibonacci Numbers Surprisingly, there are several formulae that use the Fibonacci numbers to compute Pi ( Here's a brief introduction from scratch to all that you need to know to appreciate these formulae. Contents of this page The icon means there is a Things to do investigation at the end of the section. How Pi is calculated Measuring the steepness of a hill The tangent of an angle The arctan function ... More links and References How Pi is calculated Until very recently there were just two methods used to compute pi, one invented by the Greek mathematician Archimedes , and the other by the Scottish mathematician James Gregory . We'll just look at Gregory's method here. Measuring the steepness of a hill The steepness of a hill can be measured in different ways. It is shown on road signs which indicate a hill and the measure of the steepness is indicated in differing ways from country to country. Some countries measure the steepness by a ratio (eg 1 in 3) and others by a percentage. The ratio is converted to a decimal to get its percentage, so a slope of "1 in 5" means 1/5 or 20%.

75. Sigma Pi Sigma - The Physics Honor Society www.aip.org/education/sps/sigpisig.htm Similar pages Alpha Delta pi SororityAlpha Delta pi Sorority, A national college sorority and greek organization offering information about sorority rush, joining a sorority, sorority housing, http://www.aip.org/education/sps/sigpisig.htm

The First Man-Made Nuclear Explosion - This talk given by L. Worth Seagondollar, a former President of Sigma Pi Sigma, describes one of the greatest war-time experiences possible for a young graduate student, including an eye-witness account of the 1945 plutonium fission device explosion in the New Mexico desert. full transcript Insignia Items - Show your commitment to excellence. Order your Sigma Pi Sigma official insignia. more details Inductions - Photo Galleries from recent induction ceremonies, including Jackson State University, Lincoln University, Howard University and Virginia Tech. more details Honorary Members - These distinguished physicists and scientists have been granted honorary membership for their valuable contributions to physics. more details Hidden Physicists - Share your story and help Sigma Pi Sigma document the career paths of "Hidden Physicist." more details Ethics Recommendations - See the official Sigma Pi Sigma ethics recommendations adopted during the 2004 Quadrennial Congress. more details Official Statements more details 2004 Congress Reports - First-hand accounts of the 2004 Congress and Trinity Site Visit.

76. Privacy International Human rights watchdog organization focused on privacy intrusions by government and businesses. Site has lots of privacy issue articles. http://www.privacyinternational.org/

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