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HISTORY OF PI
By measuring circular objects, it has always turned out that a circle is a little more than 3 times its width around. In the Old Testament of the Bible (1 Kings 7:23), a circular pool is referred to as being 30 cubits around, and 10 cubits across. The mathematician Archimedes used polygons with many sides to approximate circles and determined that Pi was approximately 22/7. The symbol (Greek letter “π”) was first used in 1706 by William Jones. A ‘p’ was chosen for ‘perimeter’ of circles, and the use of π became popular after it was adopted by the Swiss mathematician Leonhard Euler in 1737. In recent years, Pi has been calculated to over one trillion digits passed its decimal. Only 39 digits past the decimal are needed to accurately calculate the spherical volume of our entire universe, but because of Pi’s infinite & patternless nature, it’s a fun challenge to memorize, and to computationally calculate more and more digits.

Pi (π) is the ratio of a circle’s circumference to its diameter. Pi is a constant number, meaning that for all circles of any size, Pi will be the same.
The diameter of a circle is the distance from edge to edge, measuring straight through the center. The circumference of a circle is the distance around.

Drawing, machining, plans,
planes, buildings, bridges,
geometry problems,
estimation, testing, simulation,
global paths, global positioning,
space science, orbit calculation,
Space ships, satellites,
Speedometers at vehicles,
The Egyptians were the first to find a value for pi. |
f. The Babylonians were the first.
On what day is Pi Day celebrated? |
March 14th. March 14th is Pi Day, and if you noticed, in the U.S., the date of Pi Day would be written 3-14, with 3.14 being pi's approximate value.
Pi is a(n): |
irrational number. An irrational number is a number that goes on forever with no pattern.
On February 18, 1995, pi was memorized and recited to how...

• Submitted by: xcurtisx
• on March 14, 2013
• Length: 355 words
• Views: 445
• Popularity Rank: 188574
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##### MLA Citation

"About Pi". Anti Essays. 26 Apr. 2018