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Topic: Pi (letter)


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In the News (Sun 17 Dec 17)

  
 [No title]
Since substantial funding for a Main Injector experiment is unlikely to be available before 2002, the collaboration should consider an earlier test run with modest upgrades.
I will communicate my wishes to the KTeV collaboration in a separate letter.
CKM " Both this experiment and the CPT experiment rely on the separated beam, and the collaboration is encouraged to continue design and R&D for this beam, especially in the area of superconduction RF cavities.
www.fnal.gov /projects/ckm/documentation/public/proposal/pac.letter   (514 words)

  
  Pi (letter) - Wikipedia, the free encyclopedia
Pi (upper case Π, lower case π or ϖ) is the sixteenth letter of the Greek alphabet.
In Greek, the letter is pronounced /piː/ (as in pee); in modern English, it is pronounced /paɪː/ (as the word pie), in particular when referring to the mathematical constant (see below).
In Modern Greek, the sequence of letters μπ represents the /b/ sound, as in boy (the second letter of the Greek alphabet is now pronounced /v/ as in very).
en.wikipedia.org /wiki/Pi_(letter)   (298 words)

  
 EARTH MYSTERIES: Notes on Pi (¼ )   (Site not responding. Last check: 2007-11-01)
Pi, which is denoted by the Greek letter ¼, is the most famous ratio in mathematics, and is one of the most ancient numbers known to humanity.
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 occurs naturally in tables of death, in what is known as a Gaussian distribution of deaths in a population; that is, when a person dies, the event "feels" pi.
www.veling.nl /anne/templars/empi.html   (468 words)

  
 Pi (disambiguation) - Biocrawler   (Site not responding. Last check: 2007-11-01)
PI is an abbreviation for principal investigator (http://www.niaid.nih.gov/ncn/glossary/default5.htm#pi).
PI is Prussian Instructions (Preußische Instruktionen), a German library cataloguing system used from 1898 until the 1970s.
The PI is often used as a colloquial abbreviation for the Philippines.
www.biocrawler.com /encyclopedia/PI   (295 words)

  
 Pi - Wikipedia, the free encyclopedia
The name of the Greek letter π is pi, and this spelling is used in typographical contexts where the Greek letter is not available or where its usage could be problematic.
In 1932, Stanisław Gołąb proved that the ratio of the circumference to the diameter of the unit disc is always in between 3 and 4; these values are attained if and only if the unit "circle" has the shape of a regular hexagon resp.
Hard 'n Phirm's fourth track on Horses and Grasses is "Pi" (and is preceded by "An Intro", which discusses the topic like an educational television program).
en.wikipedia.org /wiki/Pi   (4631 words)

  
 Pi History
Pi (which is a letter in the Greek alphabet) was discovered by a Greek mathematician named Archimedes.
The first person to use the Greek letter Pi for the number was William Jones, a Welsh mathematician born in the village of LLanfihangel in Anglesey, who coined it in1706.
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.
www.geocities.com /SiliconValley/Pines/5945/his.html   (623 words)

  
 Pi (letter)
Pi (Π π) is the 16th letter of the Greek alphabet and has a numeric value of 80.
In mathematics, the constant pi, which is the ratio of the circumference to the diameter of a circle.
In number theory, the function π(x) is the number of primes that are less than or equal to x.
www.ebroadcast.com.au /lookup/encyclopedia/pi/Pi_(letter).html   (92 words)

  
 Pi - Encyclopedia, History, Geography and Biography
The constant is named Greek letter π because it is the first letter of Greek περιφέρεια (periphery) and περίμετρον (perimeter).
Image:Circle Area.svgIn Euclidean plane geometry, π may be defined either as the ratio of a circle's circumference to its diameter, or as the ratio of a circle's area to the area of a square whose side is the radius.
Pi, the area of a unit circle, is then approximated as 4*(points in the quarter circle) / (total points).
www.arikah.net /encyclopedia/Pi   (4072 words)

  
 Urban Legends Reference Pages: Religion (Alabama's Slice of Pi)   (Site not responding. Last check: 2007-11-01)
According to Bergman, pi is a Greek letter that signifies the ratio of the circumference of a circle to its diameter.
"Pi is merely an artifact of Euclidean geometry." Humbleys is working on a theory which he says will prove that pi is determined by the geometry of three-dimensional space, which is assumed by physicists to be "isotropic", or the same in all directions.
She said, "As far as I am concerned, the value of pi is only a theory, and we should be open to all interpretations." She looks forward to students having the freedom to decide for themselves what value pi should have.
www.snopes.com /religion/pi.htm   (1107 words)

  
 pi - Search Results - MSN Encarta
Pi, Greek letter (p) used in mathematics as the symbol for the ratio of the circumference of a circle to its diameter.
The circumference—distance around the edge—of a circle is equal to a constant, pi (symbol p), times the circle’s diameter: C = pd.
- 16th letter of Greek alphabet: the 16th letter of the Greek alphabet, represented in the English alphabet as "p"
ca.encarta.msn.com /pi.html   (205 words)

  
 Math Forum: Ask Dr. Math FAQ: About Pi
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.
Pi (rather than some other Greek letter like Alpha or Omega) was chosen as the letter to represent the number 3.141592...
mathforum.org /dr.math/faq/faq.pi.html   (579 words)

  
 Indiana Gamma of Pi Beta Phi: History
Pi Beta Phi Fraternity was founded at Monmouth College in Monmouth, Illinois, on April 28, 1867, as I. Sorosis.
Pi Beta Phi was the first national secret college society of women to be modeled after the Greek-letter fraternities of men.
Pi Beta Phi was the third Greek letter sorority at Butler after Kappa Alpha Theta and Kappa Kappa Gamma.
www.butler.edu /studentlife/pibetaphi/history.htm   (923 words)

  
 FDA Warning Letter, GlaxoSmithKline (Avandia® (rosiglitazone maleate) Tablets)
Additionally, they fail to present the warning from the PI that, in clinical trials, there was an increased incidence of CHF and other cardiovascular adverse events in patients on Avandia and insulin combination therapy compared to insulin plus placebo.
In two previous untitled letters, dated June 29, 1999, and October 20, 2000, we objected to your dissemination of promotional materials for Avandia that lacked fair balance concerning the risks associated with Avandia, minimized the hepatic risks, and contained misleading efficacy claims.
After agreement is reached on the content and audience, the letter should be disseminated by direct mail to all healthcare providers who were, or may have been exposed to the violative promotion.
www.pharmcast.com /warningletters/Yr2001/July2001/Glaxo0701.htm   (1382 words)

  
 Math Forum - Ask Dr. Math   (Site not responding. Last check: 2007-11-01)
The first person to use the Greek letter Pi for the number was William Jones, an English mathematician, who coined it in 1706.
Facts About Pi - Pi is the ratio of the circumference of a circle to the diameter.
Therefore Pi radians is 180 degrees and 1/2 Pi radians is 90 degrees.
mathforum.org /library/drmath/view/57543.html   (379 words)

  
 Straight Dope Staff Report: Who invented pi?   (Site not responding. Last check: 2007-11-01)
The latter is often called the "Archimedean value" of pi, but this approximation was in use long before his time, and continues to be used today.
Pi still has some other uses in math and science, but none of these, in context, is likely to be confused with 3.14...
Because pi is the sixteenth letter of the Greek alphabet, astronomers since Johannes Bayer have used the letter to designate the 16th star of any constellation.
www.straightdope.com /mailbag/mpiorigin.html   (2134 words)

  
 sociology - Pi
The mathematical constant π (written as "pi" when the Greek letter is not available) is commonly used in mathematics and physics.
In Euclidean plane geometry, π may be defined as either the ratio of a circle's circumference to its diameter, or as the area of a circle of radius 1 (the unit circle).
Pi is also known as Archimedes' constant (not to be confused with Archimedes' number) and Ludolph's number.
www.aboutsociology.com /sociology/Pi   (2344 words)

  
 Pi
Saying that pi is 3.14 without addressing the fact that it goes on infinitely afterward overlooks the true essence of the number.
Memorizing pi is a step forward in the search for a pattern in pi, and in general, for finding regularity in chaos.
"This letter of the Greek alphabet is used in mathematics to express the constant ratio of the circumference of a circle to its diameter, i.e., 3.1416.
www.geocities.com /lady_lizzie/why.html   (1051 words)

  
 Project MATHEMATICS!--The Story of Pi   (Site not responding. Last check: 2007-11-01)
The program defines pi as the ratio of circumference to diameter of a circle, and shows how pi appears in a variety of formulas, many of which have nothing to do with circles.
After discussing the early history of pi, the program invokes similarity to explain why the ratio of circumference to diameter is the same for all circles, regardless of size.
This ratio, a fundamental constant of nature, is denoted by the Greek letter pi, so that 2 pi r represents the circumference of a circle of radius r.
www.projectmathematics.com /storypi.htm   (279 words)

  
 Pi ? was the sixteenth letter of the Greek alphabet
Its use as the ratio of the circumference to diameter of a circle is relatively modern.
The first known use of the symbol for its present purposes was in 1706 by William Jones, an English mathematician, although it was the use of the symbol by Euler that brought it its permanency.
The sixteenth letter of the Greek alphabet, p, was first used for the familiar value 3.1415… in the publication, “Synopsis Palmariorium Mathesios”, authored by William Jones in 1706.
www.pballew.net /Pi.html   (1502 words)

  
 Pi
The mathematical constant π (written as "pi" when the Greek letter is not available) is ubiquitous in many areas of mathematics and physics.
In Euclidean plane geometry, π may be defined as either the ratio of a circle's circumference to its diameter, or as the area of a circle of radius 1.
Pi is an irrational number: that is, it cannot be written as the ratio of two integers.
www.knowledgefun.com /book/p/pi/pi.html   (1806 words)

  
 Emotions Greeting Cards ~ Pi, the 16th letter of the Greek Alphabet Day   (Site not responding. Last check: 2007-11-01)
In mathematics, it serves as the symbol for the ratio of the circumference of a circle to its diameter.
Pi is a transcendental number, meaning it will repeat infinitely without ever appearing exactly the same.
Pi has been calculated to over 51 billion decimal places with the use of computers.
www.emotionscards.com /otherholidays/piday.html   (99 words)

  
 Pi Theta Epsilon
Pi Theta Epsilon is an academic honor society for occupational therapy students and alumni.
Pi Theta Epsilon strives to instill in its members the ideal of respect for learning and commitment to scholarship throughout one's personal life.
Pi Theta Epsilon's sister organization, the Association of Student Delegates (ASD), function is to promote service and leadership to the community and leadership through involvement in the American Occupational Therapy Association (AOTA) activities
www.rso.wmich.edu /pte   (442 words)

  
 Science & Technology at Scientific American.com: Ask the Experts: Mathematics: What is pi, and how did it originate?   (Site not responding. Last check: 2007-11-01)
But pi is an irrational number, meaning that its decimal form neither ends (like 1/4 = 0.25) nor becomes repetitive (like 1/6 = 0.166666...).
Pi is most commonly used in certain computations regarding circles.
Amazingly, it also connects the diameter or radius of a circle with the area of that circle by the formula: the area is equal to pi times the radius squared.
www.sciam.com /askexpert_question.cfm?articleID=0006E2E9-B355-1C71-9EB7809EC588F2D7&catID=3&topicID=11   (542 words)

  
 PI ACLU EPIC Letter to COE 6/01
We are offering this letter of comments to the U.S. Department of Justice and the CDPC of the Council of Europe in order to voice our continuing concerns regarding the development and form of the draft Convention on Cybercrime.
This letter addresses only certain portions of the draft Convention and individual signatories may have additional concerns.
We ask that this letter be taken with more consideration than past submissions, while bearing in mind our previously articulated concerns.
www.privacyinternational.org /issues/cybercrime/coe/ngo_letter_601.htm   (2124 words)

  
 Pi   (Site not responding. Last check: 2007-11-01)
A: I was born in 1952 in Anopolis, a village in Sfakia region of the Greek island Crete.
Ubiratan D'Ambrosio [Pi and e mnemonics in several languages] In one of issues of "Scientific American" (1988?) was a report about a competition for the longest poem about Pi or e.
There are 38 letters in modern Armenian and, therefore, I am compel to designate some of Armenian letters by combination of two Roman letters or use some other characters.
www.cilea.it /~bottoni/www-cilea/F90/piph.htm   (11868 words)

  
 Program Improvement Correspondence - Title I, Part A - Accountability (CA Dept of Education)
Letter sent to county, district superintendents and direct-funded charter school principals regarding potential changes in the identification of Local Educational Agencies.
Letter sent to the superintendents and direct-funded charter school principals of districts with alternative schools that were identified for Program Improvement (PI).
Letter sent to the superintendents of districts that were identified for Program Improvement (PI).
www.cde.ca.gov /ta/ac/ti/correspondence.asp?print=yes   (451 words)

  
 Newly Identified Program Improvement Districts - Title I, Part A - Accountability (CA Dept of Education)   (Site not responding. Last check: 2007-11-01)
Eighteen California school districts were identified as PI districts pursuant to criteria adopted by the State Board of Education (SBE) in April 2004.
The PI district superintendent, local governing board, teachers, administrators, parents, and school community must share in a commitment to improved student academic achievement.
In implementing PI requirements, districts identified for PI will have the assistance of a locally chosen external organization, e.g., a county office of education, a School Assistance and Intervention Team (SAIT) provider, or another entity.
www.cde.ca.gov /ta/ac/ti/sept2template.asp   (1494 words)

  
 The Pi Code   (Site not responding. Last check: 2007-11-01)
Since we can choose the letter distance between rows (S), this gives us many (in our case, a million or so) different ways of looking at the letter string under study, so the possibility of finding "interesting" arrangements of words is considerably increased, compared to a one-dimensional search.
A perfect 4x4 square does not appear to exist in the first million letters of pi (regardless of the value of S), but since it all depends on the completeness of one's dictionary it is hard to be sure.
The beginning of pi in this system is: c.cvezcvbmlyzxmswprpiijzhweemupdrxou jhcfmobyhsijlpjsca zgxlhqunzwkhdfphtstzoprsnu nhawsjlquvbnqpvzqlwwliytpdauuddkzfgmpcu fnwsavktwroffceijqrhtlvuqlqnox mjrjmq sqmqscvymhqwjrzkwqdathn fmwfr fzugxgdjsqpk ckjirtxtiq c where we have divided the lines at word boundaries (i.e., there is a space at the end of each line).
users.aol.com /s6sj7gt/picode.htm   (2541 words)

  
 Pi
In other words, pi is a number that equals the quotient of the circumference of a circle divided by its diameter.
The area of a circle is yielded by multiplying pi by the radius squared (A = pi X r-squared).
Pi is also used to calculate the area of a circle, and the volume of sphere or a cone.
www.42explore.com /pi.htm   (914 words)

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