piclist 2001\06\04\195048a >
Thread: ENOUGH! (was: "Re: [OT]: Brain Burp Rounding??")
picon face BY : Russell McMahon email (remove spam text)

> 'Snot what I said.
> 1/3 is a precise representation, 0.3333 isn't
> PI works, 3.141... isn't precise.

Full circle!!! :-)
This is where this topic started.

Pi to 4 significant figures / 2 decimal places should be 3.142 as hammered
out in brain burp rounding.
(But I know you knew that and it wasn't the point you were making)

Quite coincidentally, Pi for most any engineering purpose is 355/113
High by about 0.00000026676...
Easy to remember 113355 and split it in two and divide.
Courtesy HP long ago.

           Russell McMahon

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Subject (change) ENOUGH! (was: "Re: [OT]: Brain Burp Rounding??")

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