Olin Lathrop wrote:

>Russell McMahon wrote:
>  
>
>>A good enough answer for every "everyday" situation you will ever meet
>>is:
>>
>>- remember the sequence 113355 (shouldn't be hard :-) ).
>>
>>- Divide 355 by 113
>>
>>- 355/113 = 3.141592920...
>>
>>Accurate to better than 1 part in 10^7.
>>    
>>
>
>Or just punch the PI button on the calculator.  I'm not going to do 355/113
>without a calculator, and if I've got one I don't need 355/113.
>
Yes, I always thought it was strange that I should be asked to remember 
six digits and perform a division in order to get seven digits of 
"accuracy".

Dave


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