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Want More Pi?

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David Ashton
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Re: Pi made easy
David Ashton   4/2/2017 3:06:20 AM
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@manassehkatz...very good point, thanks for the correction.

manassehkatz
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Re: Pi made easy
manassehkatz   4/2/2017 12:25:01 AM
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write the first three prime numbers twice each
113355

The only problem is that isn't the first three prime numbers, which would be 223355. It is the first three odd numbers.  It is a good formula, but if you are stranded on a desert island with a calculator without Pi and need to use Pi in an equation to help signal for rescue (not sure how that would happen, but I can't think of how else to make your life depend on Pi) then you will end up with 1.5919 and some very wrong answers.

 

Max The Magnificent
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Re: Carl Sagan's "Contact"
Max The Magnificent   3/29/2017 9:36:13 AM
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@Traneus Rex: Max, you missed a critical plot point about the aliens and pi in the ending of Carl Sagan's "Contact". The missed point makes the ending not an ending but a beginning...

Fair enough, but I was trying to give a brief summmary, not review the book LOL

traneus
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Carl Sagan's "Contact"
traneus   3/28/2017 7:25:26 PM
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Max, you missed a critical plot point about the aliens and pi in the ending of Carl Sagan's "Contact". The missed point makes the ending not an ending but a beginning.

To avoid posting a spoiler here, I suggest those who want to be spoiled consult en.wikipedia.org/wiki/Contact_(novel) or read "Contact" for themselves.

Max The Magnificent
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Re: Real Pies
Max The Magnificent   3/27/2017 12:26:08 PM
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@philm: Matt Parker has calculated ∏ with real pies.

Genius!

Now I'm hungry for a chicken pot pie

philm
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Real Pies
philm   3/27/2017 12:19:47 PM
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Matt Parker has calculated ∏ with real pies. Also tau.

https://www.youtube.com/watch?v=ZNiRzZ66YN0

Max The Magnificent
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Re: What about e?
Max The Magnificent   3/27/2017 9:59:33 AM
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@Ian Johns: ...Could 27th January be "e day"?

Check here -- some people celebrate e-day on Jan 27, others on Feb 7 in countries that use the MM/DD format

Max The Magnificent
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Re: Round objects?
Max The Magnificent   3/27/2017 9:56:46 AM
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@perl_geek: ...This whole experiment sounds like a variation on "Buffon's needle"...

Yes -- that's another one that amazes me.

I'm a bear of little brain -- I can understand the relationship between Pi and the circumference or a circle or the volume of a sphere -- what I find hard to wrap my brain around is how Pi pops up in so many other places.

Max The Magnificent
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Re: Pi made easy
Max The Magnificent   3/27/2017 9:51:19 AM
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@David: ....it is accurate to about 1 in 10 ^ -7 or a ten-thousandth of one percent.  Good enough?

I'm sure it is good enough ... in Australia LOL

Ian Johns
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What about e?
Ian Johns   3/26/2017 12:07:08 AM
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Don't forget pi's lesser known but equally important stablemate e. Could 27th January be "e day"?

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