[NLRS] FRIDAY (Today) IS PI DAY

[Dr. Gerald N. Johnson]

Back in the slide rule days 22/7 was close enough for most work. An 
error of less than 1/2 part per thousand.

73, Jerry, K0CQ

On 3/14/2014 3:03 PM, Bill Ockert - ND0B wrote:
>
>
> So the answer wasn't 42?
>
> -----Original Message----- From: W0WOI at aol.com
> Sent: Thursday, March 13, 2014 10:55 PM
> To: NLRS at mailman.qth.net
> Subject: [NLRS] FRIDAY (Today) IS PI DAY
>
>
>
>
> FRIDAY IS PI DAY:
> March 14th (3.14), is day. It's an occasion to _celebrate_
> (http://www.teachpi.org/) one of the most compelling and mysterious
> constants of Nature.
> _Pi_ (http://en.wikipedia.org/wiki/Pi) appears in equations describing the
> orbits of planets, the colors of auroras, the structure of DNA. The value
> of is woven into the fabric of life, the universe and ... _everything_
> (http://en.wikipedia.org/wiki/File:Life,_The_Universe_and_Everything_cover.jpg)
>
> .
> Humans have _struggled_
> (http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Pi_chronology.html)
> to calculate for thousands of years. Divide the
> circumference of a circle by its diameter; the ratio is . Sounds simple,
> but the devil is in the digits. While the value of is finite (a smidgen
> more
> than 3), the decimal number is infinitely long:
> 3.1415926535897932384626433832795
> 02884197169399375105820974944592307
> 81640628620899862803482534211706..._more_
> (http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html)
>
>
> Supercomputers have succeeded in calculating more than 2700 billion digits
> and they're still crunching. The weirdest way to compute : throw_needles_
> (http://www.angelfire.com/wa/hurben/buff.html) at a table or _frozen hot
> dogs_ (http://www.wikihow.com/Calculate-Pi-by-Throwing-Frozen-Hot-Dogs) on
> the floor. Party time!
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