----- Original Message ----- 
From: "Russell McMahon" <apptechnz@gmail.com>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Friday, July 17, 2009 2:51 PM
Subject: Re: [TECH]:: Engineers mental toolbox - Calculate 
oddsofsurvivalinyour head.


> Sean:
>>Except that Pi is defined as a geometrical constant for ideal circles
>>in Euclidean 2D space. Trying to say that measurement limits you to
>>defining Pi to a certain number of digits is like saying that we
>>cannot really tell if the ratio from radius to diameter is exactly
>>2.000000000.....
>
>> -- Bob Ammerman
> But everybody knows the ratio  from radius to diameter is exactly
> 1.99999999999.....
> (it really is!)
> />
>
> Unlike the inverse square law, which is 2.00000000000000000... for a 
> rather
> large number of zeros, if not an infinite number. If it were not so then 
> all
> sorts of things would fall apart, star systems included.
>
>
>         Russell

Actually, the inverse "square" law is actually

1/(2^(1.99999999....))

(it really is!)

-- Bob Ammerman
RAm Systems

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