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  2. Approximations of π - Wikipedia

    en.wikipedia.org/wiki/Approximations_of_π

    Super PI by Kanada Laboratory [99] in the University of Tokyo is the program for Microsoft Windows for runs from 16,000 to 33,550,000 digits. It can compute one million digits in 40 minutes, two million digits in 90 minutes and four million digits in 220 minutes on a Pentium 90 MHz. Super PI version 1.9 is available from Super PI 1.9 page.

  3. List of formulae involving π - Wikipedia

    en.wikipedia.org/wiki/List_of_formulae_involving_π

    3.8 Continued fractions. 3.9 Iterative algorithms. ... A History of Pi; In culture; Indiana pi bill; Pi Day; ... Many of these formulae can be found in the article Pi

  4. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.

  5. Celebrate Pi Day Way With These Math Jokes for Students and ...

    www.aol.com/celebrate-pi-day-way-math-194700125.html

    Why was the fraction fretting about marrying a decimal? Because she would have to convert. ... Pi. How many bakers does it take to bake a pi? 3.14. ... Using a pi chart.

  6. A New Formula for Pi Is Here. And It’s Pushing Scientific ...

    www.aol.com/lifestyle/formula-pi-pushing...

    The digits of pi extend into infinity, and pi is itself an irrational number, meaning it can’t be truly represented by an integer fraction (the one we often learn in school, 22/7, is not very ...

  7. List of mathematical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_constants

    Pi 3.14159 26535 89793 ... Continued fractions with more than 20 known terms have been truncated, ... Infinitely many partial quotients are 4 or 5, and infinitely ...

  8. Pie chart - Wikipedia

    en.wikipedia.org/wiki/Pie_chart

    A pie chart (or a circle chart ... Since the sum of the central angles has to be 360°, the central angle for a quantity that is a fraction Q of the total is 360Q ...

  9. Mathematical constant - Wikipedia

    en.wikipedia.org/wiki/Mathematical_constant

    For example, German mathematician Ludolph van Ceulen of the 16th century spent a major part of his life calculating the first 35 digits of pi. [22] Using computers and supercomputers , some of the mathematical constants, including π, e , and the square root of 2, have been computed to more than one hundred billion digits.