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San Francisco's Exploratorium Reopens to the Public

San Francisco's Exploratorium Reopens to the Public
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What Is Pi?


SCIENCEALERT STAFF
Pi (π) is a constant describing the ratio between a circle s circumference and its diameter. It is an irrational number usually summarized to two decimal places as 3.14.
The Greek letter for P was chosen by the 18th century Welsh mathematics teacher William Jones, most likely to stand for periphery . 
 
Symbolically, the term pi was chosen to stand for something more than a mere number. Prior to its use in the early 18th century, the quantity was represented by terms and fractions, none of which adequately reflected an incomprehensible, infinitely long sequence of non-repeating decimals. 
Jones might have suspected that the exact proportion between the diameter and the circumference can never be expressed in numbers , but it wasn t until the 1760s that the Swiss polymath Johann Lambert came up with a proof of its irrationality. ....

United Kingdom , Larry Shaw , Johann Lambert , Francisco Exploratorium , William Jones , British Museum Department Of Ancient Egypt , Rhind Papyrus , Ancient Egypt , British Museum Department , San Francisco , Amp Quot , ஒன்றுபட்டது கிஂக்டம் , லாரி ஷா , ஜோஹான் ல்யாம்‌பர்ட் , பிரான்சிஸ்கோ ஆய்வாளர் , வில்லியம் ஜோன்ஸ் , பிரிட்டிஷ் அருங்காட்சியகம் துறை ஆஃப் பண்டைய எகிப்து , ரிஂட் பாப்பிரஸ் , பண்டைய எகிப்து , பிரிட்டிஷ் அருங்காட்சியகம் துறை , சான் பிரான்சிஸ்கோ ,

Pi one on for a slice of nice


Author of the article: Rita DeMontis
Publishing date: Mar 13, 2021  •  March 13, 2021  •  4 minute read  • 
Photo by Janis Nicolay /Appetite by Random House, division of Penguin Random House Canada Ltd
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Article content
Care for some pi? Don’t mind if I do – March 14 is National Pi Day (not to be confused with the other National Pie Day in January) and it’s all about celebrating our inner geek by combining the love of a good slice of nice with the mathematical constant Pi (“π” or “pi”), originally defined as the ratio of a circle’s circumference to its diameter. ....

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