I always hear about some university calculating pi the the X th place. This made me wonder, how is pi calculated? I know it could be done by comparing the diameter to circumfrence. But if this was actualy how it is was done wouldnt the amount it could accurately be calculated to be constrained by the precicion of the measurement? Im sure this is an easy answer for someone here but i really dont understand/had never thought about it.

http://www.ualr.edu/~lasmoller/pi.html

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KiD[ReD]
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cornbread are squared, pie are round.

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KiD[ReD]
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Hmmmmmmm pie............

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A good education is expensive but ignorance costs more.

Its a entry level calculus problem. I had to do it for calc I. But I forgot how to do it...... It's basically about finding the length of the base of a ifinite amount of triangles aranged in a circle.

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As easy as that? Childsplay then.

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I love him who is ashamed when the dice fall in his favour and who then asks: Am I then a cheat? for he wants to perish.

It actually was very simple... but you are limited by the amount of computing power you have to find the accuracy of pi.

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pi/2 = 2/1 x 2/3 x 4/3 x 4/5 x 6/5 x 6/7 x 8/7 x 8/9 ...
or
pi /4 = 1 - 1/3 + 1/5 - 1/7 + ...

Or is this not what you want?

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“There's no sense in being precise when you don't even know what you're talking about.” - John von Neumann

"is that what you want" - im not sure. is that what they use when calculating pi to the 10 trillionth place or whatever it is ?