81. MSN Encarta - Pi of a sphere (V = ?pr3), for instance, both require knowledge of the value of pi.The approximate value of pi to eight decimal places is 3.14159265. http://encarta.msn.com/encyclopedia_761552884/Pi.html

MSN Home My MSN Hotmail Shopping ... Sign In Web Search: Encarta Subscriber Sign In Help Home ... Upgrade your Encarta Experience Search Encarta Upgrade your Encarta Experience Spend less time searching and more time learning. Learn more Tasks Find in this article Print Preview Related Items Circle Geometry more... Further Reading Search for books and more related to Pi Encarta Search Search Encarta about Pi Advertisement document.write(' Pi Encyclopedia Article Pi , Greek letter ( p ) used in mathematics as the symbol for the ratio of the circumference of a circle to its diameter. This ratio is a universal constant , meaning that it is always the same for any size circle. Many important mathematical and physical equations contain pi. Finding the area of a circle (A = p r where r is the circle’s radius) or the volume of a sphere (V = p r ), for instance, both require knowledge of the value of pi. The approximate value of pi to eight decimal places is 3.14159265. The ratio is actually an irrational number , meaning that its decimal places go on infinitely without repeating or ending in zeros. Mathematicians have found many unending equations with solutions equal to pi; one of the simplest is p …). Computers can use such equations to quickly estimate pi with great accuracy; in this way the value of

82. Curvedpi The result will approximate the familiar value of pi, 3.14 ) What s Going On? Where space is flat or gently curved pi has the usual value. http://www.exo.net/~pauld/activities/mathematics/curvedpi.htm

Curved Pi Introduction The ratio of the circumference of a circle to its diameter in Euclidean space is pi. This ratio takes on different values in curved space. To experience this, measure "curved pi" on the surface of a balloon. A balloon with a circle drawn around its equator and a diameter of the circle drawn through the pole. Material A spherical balloon a tape measure a marker that will write on the balloon To Do and Notice Blow up a balloon. Consider the inflation nipple as the north pole, draw a line around the equator of the balloon. Consider that you are an ant on the surface of the balloon. All you know is the surface of the balloon you cannot even conceive of the three dimensional space inside the balloon. You want to measure the ratio of the circumference of a circle drawn on the balloon to its diameter. Measure the circumference of the equatorial circle using a tape measure. Measure its diameter which passes through the south pole. Calculate curved pi. To see the answer click here (Optional activity, draw a circle on a flat piece of paper, measure its circumference and its diameter. Calculate the ratio of circumference to diameter. The result will approximate the familiar value of pi, 3.14...) What's Going On?

83. Ambrosia Software Web Board > What Is The Value Of Pi In The Void? The value of pi need not to be constant in the void it can be high at someports, and low at others. Eventually it may come to pass that if you find a http://www.ambrosiasw.com/forums/lofiversion/index.php/t97042.html

Help Search Member List Calendar Full Version: What is the value of pi in the void? Ambrosia Software Web Board Escape Velocity Web Boards Qaanol Jul 20 2005, 10:28 AM And if 0.9~ eddies in the space-time continuum show up, is that or is it not a whole trout? FluffyWithTeeth Jul 20 2005, 04:31 PM I think pi should equal 3 in the void, just to make life easier Hamster Jul 21 2005, 07:44 AM I think it should be a beefsteak, just for shits and giggles. GutlessWonder Jul 21 2005, 08:14 PM Dr. Trowel Jul 24 2005, 02:22 PM The value of pi need not to be constant in the void it can be high at some ports, and low at others. Eventually it may come to pass that if you find a circle or sphere floating in the void, you will be able to break it open and harvest its pi for later sale. I’ve been thinking some about the shape of the void, by the way. I believe it should simultaneously be finite, infinite, three-dimensional, two-dimensional, one-sided, and non-Euclidean. With a lot of system map work and a few clever tricks of semantics, perspective, and design, I believe this can actually be implemented in the Voidspace plug. Qaanol Jul 25 2005, 08:33 AM

84. Pi atan provides a handy way to ask Tcl for the value of pi Pi =3.141592653589793238462643383. The value given is however good enough to calculate the http://wiki.tcl.tk/8401

pi Abstractly, pi is the ratio between the circumference and the diameter of a circle. It can be proven that the number is irrational , so you'll never get an exact representation of its value in Tcl. The best way to use it in Tcl is to create a global variable (called pi of course) which contains a reasonably accurate approximation and then use that variable throughout your program. DKF If you don't want to use a global var, a proc can also be used: atan provides a handy way to ask Tcl for the value of pi: MGS Does anyone have any data on which method is preferable from a numerical point of view? IDG Both contain the assumption that the transcendental functions are accurate to the last ulp. In many math libraries this is not so. I think you are safer with a string representation: set pi 3.1415926535897931 AM This is certainly recommendable: that way you can be sure to get a value which is platform-independent or at least highly predictable. GWM Evaluating the algorithm below or looking up on the web (direct link: http://www.joyofpi.com/pi.html

85. A Friend Of Mine Told Me That There Never Was A Law Which The a law stating that the value of pi is equal to 3, this was not the case. The estimate pi=3 is charitable. They were much farther off. http://www.acc.umu.se/~olletg/pi/indiana.html

A friend of mine told me that there never was a law which the swedish edition of Guinness Book of World Records claims, and definitely not that Pi = 3. He sent me the following comments: Although it is commonly believed that the state of Indiana passed, or tried to pass, a law stating that the value of Pi is equal to 3, this was not the case. For a short discussion of this issue see pp. 192-197 of Underwood Dudley's book Mathematical Cranks, 1992 (published by the MAA). Incidently, the bill from which this story originates is House Bill No. 246 of the 1897 Indiana State Legislature. Dave Renfro marenfro@merlin.nlu.edu Well...I live right across the river from Indiana. The estimate pi=3 is charitable. They were much farther off. Be it enacted by the General Assembly of the State of Indiana: It has been found that the circular area is to the quadrant of the circumference, as the area of an equilateral rectangle is to the square on one side. The diameter employed as the linear unit according to the present rule in computing the circle's area is entirely wrong... The bill was passed back to the general assembly by the Committee of Education with the recommendation that it be passed. It was passed on February 5, 1897 with a vote of 67 to 0.

86. Bill Stockton's Satirium Satire Humor Parody Satirical Headlines | Does Presiden They also believe that the correct value of pi should be 3.0, Belief in thatvalue for Pi has become an intelligent design litmus test for true http://www.satirium.com/pages/vol7/pi3.html

Home Archives About Schedule ... Links August 5, 2005 Does President Bush Believe the Value of Pi Is 3.0? Pi 3.0 Instead of 3.14 Is an Intelligent Design Litmus Test The White House has labeled as "ridiculous" and "beneath the dignity of a response" questions about whether President Bush believes the value of the mathematical constant Pi should be 3.0 instead of the widely accepted value of 3.14167. The question arose after Bush told a group of Texas newspaper reporters that he thought intelligent design should be taught in public schools along with the theory of evolution to explain the origin of humankind and all other forms of life on earth. Many fundamental Christians believe the theory of evolution is wrong and that something as elaborate as humans and other life must have been planned by a greater force, such as God. They also believe that the correct value of Pi should be 3.0, since any intelligent designer putting together the universe would have dictated that a key mathematical constant like Pi be a whole number, like 3.0, and not a decimal fraction like 3.14167 that can be carried out to an infinite number of decimal places. Moreover, they point to biblical references to the great temple of Solomon built in 950 BC that suggest 3.0 as the value of Pi. (I Kings 7,23 and II Chronicles, 4,2)

87. Chinadaily Community 7 Alabama Changes the value of pi 719 b by oggyjj (0331 1010). 8 TheLeft-Handed Whopper 751 b by oggyjj (03-31 1011) http://bbs.chinadaily.com.cn/forumpost1.shtml?pid=338940

88. The Value Of Pi The value of p = 3.14159265 which appears in defining the area of a Another way to think about the value of p is perhaps in terms of some of our http://dosxx.colorado.edu/~atlas/math/supplement/pi.html

Supplementary Topic The Value of p This section of the supplementary topic is purely for your own joy and interest ... it is not needed to understand any of the relevant topics that are discussed. The value of p = 3.14159265 ... which appears in defining the area of a circle and in measuring angles in units of radians is really no mystery. This value can best be thought of as the ratio of the circumference of a circle to its diatmeter . One can simply try to "draw" a perfect circle and measure the circumference and the diameter, and dividing the circumference by the diameter will give the value of p . It turns out that no matter how small or how big of a circle on chooses to draw, this ratio comes out to be a constant value that is roughly equal to 3.14159265 ... (within errors of measurement and drawing "perfect" figures and so on ...). The above geometrical idea is the best way at this level to understand where the value of p comes from ... if you are inclined to think practically you can always imagine doing an experiment like the above and getting values for p and then trying to "perfect" your experiment.

89. An Introduction To Monte Carlo Methods which calculates the value of pi based on a hit and miss integration.Monte Carlo Calculation of Pi. The first figure is simply a unit circle http://www.chem.unl.edu/zeng/joy/mclab/mcintro.html

The Basics of Monte Carlo Simulations University of Nebraska-Lincoln Physical Chemistry Lab (Chem 484) Written by lab TA Joy Woller, Spring 1996 Summary: This document introduces the concept of Monte Carlo methods by defining the terms and describing a simple example (the determination of pi using a Monte Carlo simulation). Following this introduction is a section on the Monte Carlo experiment, part of the physical chemistry lab at UNL, which computes the population distribution in the rotational energy levels of HCl and DCl. Introduction to Monte Carlo Methods The expression "Monte Carlo method" is actually very general. Monte Carlo (MC) methods are stochastic techniquesmeaning they are based on the use of random numbers and probability statistics to investigate problems. You can find MC methods used in everything from economics to nuclear physics to regulating the flow of traffic. Of course the way they are applied varies widely from field to field, and there are dozens of subsets of MC even within chemistry. But, strictly speaking, to call something a "Monte Carlo" experiment, all you need to do is use random numbers to examine some problem. The use of MC methods to model physical problems allows us to examine more complex systems than we otherwise can. Solving equations which describe the interactions between two atoms is fairly simple; solving the same equations for hundreds or thousands of atoms is impossible. With MC methods, a large system can be sampled in a number of random configurations, and that data can be used to describe the system as a whole.

90. More News Of The Stupid They also believe that the correct value of pi should be 3.0, In the end,the Synod s theologians decreed that Pi s value should be 3.0 carried out to http://uplink.space.com/printthread.php?Cat=&Board=freespace&main=300675&type=po

91. Funworld/fun4you: Pi R Square? The bill to change the value of pi to exactly three was introduced without fanfare by As far as I am concerned, the value of pi is only a theory, http://www.hehe.at/funworld/archive/fun4you.php?joke=540

92. ENC Online: Curriculum Resources: Discovering The Value Of Pi (ENC-019002, Overv Discovering the value of pi. Grades 6 7 8 9 10 URL http//www.arcytech.org/java/pi/index.html ENC ENC019002 Publisher Arcytech Research Labs http://www.enc.org/resources/records/0,1240,019002,00.shtm

Skip Navigation You Are Here ENC Home Curriculum Resources Search the Site More Options Don't lose access to ENC's web site! Beginning in August, goENC.com will showcase the best of ENC Online combined with useful new tools to save you time. Take action todaypurchase a school subscription through goENC.com Classroom Calendar Digital Dozen ENC Focus ... Ask ENC Explore online lesson plans, student activities, and teacher learning tools. Search Browse Resource of the Day About Curriculum Resources Read articles about inquiry, equity, and other key topics for educators and parents. Create your learning plan, read the standards, and find tips for getting grants. Discovering the value of pi Grades: URL: http://www.arcytech.org/java/pi/index.html ENC#: ENC-019002 Publisher: Arcytech Research Labs Date: Similar Records Featured in Digital Dozen Featured in ENC Focus Subjects: Mathematics Geometry. Measurement. Pi. Resource Type: Media Type: Internet resource. Abstract: Record Created: Last Modified: 2005 ENC . All information in this catalog record was verified and accurate when it was first made available to the public. ENC updates catalog records when resources are featured in special projects or when we learn that the information in the record is out of date. Back to Top You Are Here ENC Home Curriculum Resources Close Window ENC's web site will disappear forever... unless your school subscribes now!

93. Freshmeat.net: Project Details For Calculating Pi Calculates the value of pi using Simple Harmonic Motion. Second Visual Release,05Jan-2003, GNU General Public License (GPL) Tar/GZ Wallis Formula http://freshmeat.net/projects/projectpi/

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94. Straight Dope Staff Report: Who Invented Pi? This would imply two different values of pi 3 for calculating circumferencesand 3.289 for The latter is often called the Archimedean value of pi, http://www.straightdope.com/mailbag/mpiorigin.html

Home Page Message Boards News Archive ... FAQs, etc. A Staff Report by the Straight Dope Science Advisory Board Who invented pi? 17-Sep-2002 Dear Straight Dope: Hey for my Algerbra class, our teacher told us that we could get extra credit if we told him Who Invented Pi (mathmatically speaking) so I thought this would be the perfect place to turn to. Soo WHO INVENTED Pi? Thanxs for your help Soccer Princess PS: Could you e-mail the answer to me @ both these e-mail adresses: [deleted]. Thanks so Much !!!!!! S~ SDSTAFF bibliophage replies: Lest anyone think we're in the homework business, this question arrived March 15, 2000. We figure Soccer Princess has surely flunked out by now. First, let's get one thing straight. Being a number, pi ( p =3.14 ) isn't really an invention. If anything, it's a discovery. You wouldn't ask who "invented" three-quarters, or the square root of two, or 69, would you? Okay, maybe the last one wasn't such a great example. There are really several questions here, and of course I have all the answers. Who was the first person to realize the ratio of any circle's circumference to its diameter is constant? Who was the first person to realize the fundamental importance of this ratio in finding other quantities, such as areas and volumes? And finally, who was the first person to use the Greek letter p to designate this ratio? The answers, respectively, are "I don't know," "I'm not sure," and "It's complicated."

95. A Piece Of Pi was defined in 1998 by the Alabama legislature as the official state valuefor pi. (I ll bet you didn t know that you needed a state value for pi. http://www.csgnetwork.com/piinfo.html

A Piece Of 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, by definition, 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. On our site and in all of our calculators, 3.14159 is the value we use, unless otherwise specified. (You can also calculate it yourself using our PI Calculator . Dividing the PI(e) has always been a problem but sometimes multiplying with it is also. You can do either here PI power is also available.) The only exception is the expatiated calculation below. (I didn't have much to do last night and TV was terrible - the only thing on was the 8,534,565th repeat of Hawaii 50 (divided by PI), so I calculated PI to 10,000 places on my 1959, still working, easy on the eye yellow, NASA issue, Pickett slide rule . I was going to try for a million but the slide was a little dirty and I felt accuracy MIGHT be compromised... We certainly don't want to compromise PI!) The value 3.14159 was defined in 1998 by the Alabama legislature as the official state value for PI. (I'll bet you didn't know that you needed a state value for PI. Of course, they also said that PI are round and cornbread are squared... They would have been better served to say that PI was to personal taste.) This infinite calculation phenomena is known as the decimal expansion of PI. No apparent pattern emerges in the extreme succession of digits; a predestined yet unfathomable code. They do not repeat periodically, but seemingly do pop up repeating a few sequences by blind chance, (lacking any perceivable order, rule, reason, or design). In 1991, the Chudnovsky brothers in New York, using their computer

96. L2L Pi, Anyone? - Branching Out Analyze mathematical relationships of a circle and derive a value for pi.Investigate and identify other mathematical relationships involving pi. http://pd.l2l.org/success/lessons/Lesson10/HMAi1_L.HTM

97. NTTI Lesson: A SLICE OF PI As a concluding activity, students will compare various values for pi For example, Yes, I know a digit is a device that gives a value for pi to 4 http://www.thirteen.org/edonline/nttidb/lessons/id/sliceid.html

A SLICE OF PI Grades 7 - 9 In this lesson, students will discover pi, its history, and some of the applications of its uses in the world today. Many students begin the study of circles in geometry without any understanding of the number pi and its mathematical power. This lesson gives students a feel for pi. During the lesson, students will conduct an experiment by measuring the diameter and circumference of various circular objects to calculate their own approximation of pi. They can also conduct a probability experiment that approximates the value of pi. Students will identify uses in the real world for pi, both dealing and not dealing with circles. As a concluding activity, students will compare various values for pi discovered throughout its history, determine whose value was the best, and theorize why people used fractions instead of decimals for pi. MATHEMATICS!: The Story of Pi The student should be able to: state that pi is the ratio of the circumference of a circle to the diameter of a circle. list two approximations for pi, a fraction and a decimal.

98. HTML Goodies: Script Tip: Week 54 INPUT TYPE=BUTTON value= pi NAME= pi onClick= document.calculator.text.value+=getpi() . Allow me to take them a little out of order. http://www.htmlgoodies.com/beyond/javascript/stips/article.php/3471901

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99. PI In The Bible The real value pi = 3.1415926 The difference between 3 x 111/106 and pi is0.0000832 which is only an error of 0.00026%. http://www.direct.ca/trinity/pi.html

PI in the Bible By Jochen Katz 1 Kings 7:23 He [Solomon] made the Sea of cast metal, circular in shape, measuring ten cubits from rim to rim [diameter = 10] and five cubits high. It took a line of thirty cubits to measure around it. [circumference = 30] Since circumference = PI x diameter as any elementary geometry book will tell you, but the Bible "seemingly" tells us that PI = 3. Since "this is obviously false, therefore the Bible cannot be from God..." is how some people like to reason. But obviously the wisdom of God is greater than the wisdom of man: In this case the word for circumference = "line" ( in Hebrew) But in this verse "line" is written with an extra letter ( Since Hebrew has no digits, all letters are also numbers, we can take the ratio of (the gematriacal value of) the unusual word form ( ) to the regular word form ( ). Given that the gematrial letter values are = 6, and = 5 we find that: Ratio False number for PI Ratio TOTAL 3 multiplied by The real value: PI = 3.1415926...

100. James Gosling: On The Java Road For example the value of sine for the floatingpoint number Math.pi is around.1.2246467991473532E-16. while the computed value from fsin is http://blogs.sun.com/roller/page/jag/?anchor=transcendental_meditation

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