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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.
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.
3.8 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
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 ...
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 ...
It is within 0.000 009 % of the value of π, or in terms of common fractions overestimates π by less than 1 / 3 748 629 . The next rational number (ordered by size of denominator) that is a better rational approximation of π is 52 163 / 16 604 , though it is still only correct to six decimal places.
Essentially, the PI compares projected cash flows to the initial investment required. A PI greater than one suggests that the project is likely to generate more value than it costs, making it
In the 1760s, Johann Heinrich Lambert was the first to prove that the number π is irrational, meaning it cannot be expressed as a fraction /, where and are both integers. In the 19th century, Charles Hermite found a proof that requires no prerequisite knowledge beyond basic calculus.
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