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Science Fiction > Science > Re: Pi Day Exer...
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Re: Pi Day Exercise

by mcv <mcvmcv@[EMAIL PROTECTED] > Mar 16, 2008 at 07:17 PM

Erik Max Francis <max@[EMAIL PROTECTED]
> wrote:
> Jack Tingle wrote:
> 
>> Yesterday being pi-day (3/14 at approximately 1:59:27), I tried a
little 
>> exercise. The most commonly used approximations for this nasty little 
>> number are 3.1416, 22/7, and 355/113. Since pi is 3.14159... 3.1416 is
a 
>> pretty good approximation, and only requires you to remember five 
>> digits. 22/7 only needs 3 digits, while 355/113 needs a prodigious act 
>> of memory on SIX whole digits [shocked muttering from audience].
>> 
>> Their relative merits, taking 3.14l6 as the baseline, has 22/7 with
172x 
>> the error of our baseline. Amazingly, hexadigital 355/113 has only 3.6%

>> of the error of the best 5 digit champion, 3.1416!
> 
> Actually, it shouldn't be all that surprising.  Consider that 3.1416 is 
> just another way of writing 31416/10000.  In a sense, that is an 
> arbitrary denominator, one chosen just because of our predilection for 
> base 10 numbers.

If you want to mess with bases, then obviously the easiest and most
accurate
approximation of pi is 1 in base-pi.


mcv.
-- 
Science is not the be-all and end-all of human existence. It's a tool.
A very powerful tool, but not the only tool. And if only that which
could be verified scientifically was considered real, then nearly all
of human experience would be not-real.                  -- Zachriel
 




 23 Posts in Topic:
Pi Day Exercise
Jack Tingle <wjtingle@  2008-03-15 09:55:43 
Re: Pi Day Exercise
Luke Campbell <lwcamp@  2008-03-15 08:52:59 
Re: Pi Day Exercise
Ingo Siekmann <Ingo-Si  2008-03-15 22:50:14 
Re: Pi Day Exercise
Howard Brazee <howard@  2008-03-15 16:38:14 
Re: Pi Day Exercise
mcv <mcvmcv@[EMAIL PRO  2008-03-16 19:09:05 
Re: Pi Day Exercise
wjtingle@[EMAIL PROTECTED  2008-03-15 12:39:57 
Re: Pi Day Exercise
Ingo Siekmann <Ingo-Si  2008-03-15 22:55:33 
Re: Pi Day Exercise
Erik Max Francis <max@  2008-03-15 16:22:35 
Re: Pi Day Exercise
Jack Tingle <wjtingle@  2008-03-16 09:13:30 
Re: Pi Day Exercise
mcv <mcvmcv@[EMAIL PRO  2008-03-16 19:17:38 
Re: Pi Day Exercise
Luke Campbell <lwcamp@  2008-03-15 16:30:24 
Re: Pi Day Exercise
Michael Ash <mike@[EMA  2008-03-15 18:50:08 
Re: Pi Day Exercise
"Mike Dworetsky"  2008-03-16 08:10:06 
Re: Pi Day Exercise
"Sheerluck" <  2008-03-16 20:37:59 
Re: Pi Day Exercise
David Mitchell <david@  2008-03-16 18:29:47 
Re: Pi Day Exercise
David Mitchell <david@  2008-03-16 18:32:10 
Re: Pi Day Exercise
Jens Kleimann <yatteri  2008-05-02 11:21:22 
Re: Pi Day Exercise
Dr J R Stockton <jrs@[  2008-03-16 23:15:44 
Re: Pi Day Exercise
Michael Ash <mike@[EMA  2008-03-16 20:42:16 
Re: Pi Day Exercise
Dr J R Stockton <jrs@[  2008-03-17 20:43:28 
Re: Pi Day Exercise
Michael Ash <mike@[EMA  2008-03-17 19:09:08 
Re: Pi Day Exercise
Dr J R Stockton <jrs@[  2008-03-18 20:24:39 
Re: Pi Day Exercise
Michael Ash <mike@[EMA  2008-03-18 22:03:44 

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tan13V112 Thu Jul 24 16:24:41 CDT 2008.