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Windows 7: who invented PI

15 Mar 2013   #1

Win 7 home premium 32 bit
 
 
who invented PI

does anybody know the name of mathematician who invented PI (ie 22/7)
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15 Mar 2013   #2

Windows® 8 Pro (64-bit)
 
 

Euclid, I think.
A quick Google search also suggests it was Euclid.
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15 Mar 2013   #3

Windows 7 Home Premium x64
 
 

A quibble, I know... but nobody "invented" Pi , its not something to be invented. Now , who was the first to UNDERSTAND Pi and to figure its parameters we'll probably never know but its approximate value has been know and used for a very long time : ...."The Egyptian scribe Ahmes wrote the oldest known text to give an approximate value for Pi, citing a Middle Kingdom papyrus"...... ." "By 2000 B.C., Babylonians established the constant circle ratio as 3-1/8 or 3.125. The ancient Egyptians arrived at a slightly different value of 3-1/7 or 3.143"...... not far off and considering, not too bad.
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15 Mar 2013   #4
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

Correct, π was a discovery that the ratio of a circle's circumference to its diameter is constant regardless of the length of the diameter. 22/7 is an approximation.
Newton didn't invent gravity either, he discovered it, although that may be a myth.

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16 Mar 2013   #5

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

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A Guy


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16 Mar 2013   #6

Win 7 Pro x64 SP1, Win 7 Ult x86 SP1
 
 

I always thought my Grandma invented it for me

who invented PI-apple-pie-1.jpg


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16 Mar 2013   #7

Windows 7 Pro. 64/SP-1
 
 

Many year ago I read that PIE might of been realized when pouring sand into a pile. The little pointed cone that was created always had the same angles and measurements when done in the same fashion. They thought of that as one of the natural structures of the gods.
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16 Mar 2013   #8

Microsoft Community Contributor Award Recipient

Windows 7 Ult. x64 Windows 8.1 x64
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
Many year ago I read that PIE might of been realized when pouring sand into a pile. The little pointed cone that was created always had the same angles and measurements when done in the same fashion. They thought of that as one of the natural structures of the gods.
I think you are thinking of the Angle of Repose
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16 Mar 2013   #9

Microsoft Windows 7 Home Premium 64-bit 7600
 
 

eee the boffins are awake. dont rattle the cage!

pie was invented by apple

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16 Mar 2013   #10

Windows 7 Pro. 64/SP-1
 
 

Could be, it's been a long time. I stand corrected.
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