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why greek "pi" exists in cutting speed calculation?
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Barry Jarrett
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why greek "pi" exists in cutting speed calculation?
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......
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