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Larry Jaques
 
Posts: n/a
Default why greek "pi" exists in cutting speed calculation?

On Sun, 30 Nov 2003 07:00:16 GMT, (Barry
Jarrett) brought forth from the murky depths:

On 27 Nov 2003 01:07:55 -0800,
(natarajan ayyavu)
wrote:

I do not understand why greek pi (value = 3.1428) presents in this
formula


the last time i checked, pi was 3.14159......


Surely he was using the metric value of pi, Barry.
Any Brits out there care to share the Whitworth value?


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