On 16/03/2015 18:36, Orchid Win7 v1 wrote:
> On 16/03/2015 04:50 AM, clipka wrote:
>> My pocket calculator says you're spot-on.
>
> Must be right then.
>
>> Though it makes me wonder whether you got the joke :P
>
> More like, this is probably the only chance I get to show off how much
> free time I've invested in this pointless task.
>

I am impressed. Could you remember 355/113 as an approximation for Pi?
If you drew a circle a couple of miles in diameter. The circumference 
would be less than a millimetre out.


>> (BTW, 3.1415 is all I can come up with on good days.)
>
> Frankly, if you're measuring something that's 10 meters across, do you
> even *care* about the last 5mm? Probably not.

Not if you are measuring it in cubits Otherwise that is a terrible 
tolerance. For instance the first breakthrough from the English to 
French side of the Channel Tunnel was 358 mm out over 22 Km.

http://www.quora.com/How-do-you-make-sure-the-two-drills-of-a-tunnel-meet


-- 

Regards
     Stephen

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