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Happy Pi Day

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Old Mar 14, 2014 | 05:34 AM
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Default Happy Pi Day
I am planning on having pie to celebrate.
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Old Mar 14, 2014 | 05:54 AM
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We are off to the pub tonight for Corn Beef & Cabbage and a few . Then later this weekend the wife will do her version of Corn Beef & Cabbage! Stand clear.
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Old Mar 14, 2014 | 06:17 AM
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Originally Posted by Zippy
I am planning on having pie to celebrate.

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Old Mar 14, 2014 | 06:23 AM
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Thanks for the reminder....We'll celebrate at our favorite local bar this afternoon with 3.14159 beers.
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Old Mar 14, 2014 | 07:22 PM
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My wife and I had a brief discussion about Pi day this morning.
It quickly turned into how many significant digits of accuracy do you need in calculations.

New there was a reason I married that girl.
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Old Mar 14, 2014 | 07:38 PM
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Originally Posted by boltonblue
My wife and I had a brief discussion about Pi day this morning.
It quickly turned into how many significant digits of accuracy do you need in calculations.

New there was a reason I married that girl.
Anything more than 4 are unneeded, IMO. (Heck, when I used a slide rule, 2 seemed sufficient!)


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Old Mar 15, 2014 | 06:21 AM
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Originally Posted by boltonblue
My wife and I had a brief discussion about Pi day this morning.
It quickly turned into how many significant digits of accuracy do you need in calculations.

New there was a reason I married that girl.
Significant digits......The number you need is based on........something, if I could only remember.
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Old Mar 15, 2014 | 09:03 AM
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Originally Posted by Zippy
Originally Posted by boltonblue' timestamp='1394853767' post='23063741
My wife and I had a brief discussion about Pi day this morning.
It quickly turned into how many significant digits of accuracy do you need in calculations.

New there was a reason I married that girl.
Significant digits......The number you need is based on........something, if I could only remember.
precision, precision, precision.
in her case, calculating cross sectional flow rates through a high pressure chromatography column.
you know, geek stuff.
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Old Mar 15, 2014 | 10:10 AM
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Significant digits include index, middle, ring and pinky. All others are superfluous.IMHO

Jon
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Old Mar 15, 2014 | 12:32 PM
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Originally Posted by jukngene
Anything more than 4 are unneeded, IMO. (Heck, when I used a slide rule, 2 seemed sufficient!)
For those who need greater accuracy here's a start.

Pi = 3.141592653589793238462643383279502884197169399375 10
58209749445923078164062862089986280348253421170679
82148086513282306647093844609550582231725359408128
48111745028410270193852110555964462294895493038196
44288109756659334461284756482337867831652712019091
45648566923460348610454326648213393607260249141273
72458700660631558817488152092096282925409171536436
78925903600113305305488204665213841469519415116094
33057270365759591953092186117381932611793105118548
07446237996274956735188575272489122793818301194912
98336733624406566430860213949463952247371907021798
60943702770539217176293176752384674818467669405132
00056812714526356082778577134275778960917363717872
14684409012249534301465495853710507922796892589235
42019956112129021960864034418159813629774771309960
51870721134999999837297804995105973173281609631859
50244594553469083026425223082533446850352619311881
71010003137838752886587533208381420617177669147303
59825349042875546873115956286388235378759375195778
18577805321712268066130019278766111959092164201989
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