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Multiples of Pi

From:John Vertical <johnvertical@...>
Date:Tuesday, January 3, 2006, 21:20
Mark J. Reed wrote:
> > > Myself, I'm actually lexicalizing 2pi instead (which, from a > > mathematical viewpoint, is more logical.) > >Debatable. You could make a case for &#960;/2 as well, since after all a >circle is completely symmetric and you can start with a right angle >quadrant and replicate it three more times to get one. But &#960; by >itself is the most directly measurable value, as the ratio of a >circle's circumference to its diameter. Radii are, in general, >tricker to measure on physical circles due to the necessity of >identifying the precise center; it's easier to measure the diameter - >a chord is the diameter when its length hits a maximum - and then >halve that value to get the radius.
*Mathematical* viewpoint. It is essentially impossible to measure pi by more than about 10 decimals; but in whatever mathematical context the number comes up, more often that not it'll be preceded by a multiplier of 2. You can read more here: I already have a name for it - I'm calling it "py" (or maybe "pu" would be better English, since I'm working by analogy from mu & nu.) John Vertical


Mark J. Reed <markjreed@...>