To π με 1.000.000 ψηφία & η κατανομή τους
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Transcript of To π με 1.000.000 ψηφία & η κατανομή τους
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:1. http://thestarman.dan123.com/math/pi/RandPI.html2. http://www.answers.com/topic/pi3. http://thestarman.dan123.com/math/pi/index.html4. http://www.geocities.com/thanostasios/pi.html
http://el.wikipedia.org/wiki/%CE%91%CF%81%CE%B9%CE%B8%CE%BC
%CF%8C%CF%82_%CF%80
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(, ,
AltaVista lingo FireFox 2.0 .
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Yasumasa Kanada
2002
1.241.100.000.000 ,
206.158.430.000,
1999. 602 Hitachi
SR8000, 1 terabyte. (1 =1000)
, Kanada , arctangent () .
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arctangent
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Arctangent(x) =x x3/3 +x
5/5 x7/7 +x
9/9 . . . .
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= 16 arctangent (1/5). 4 arctangent (1/239).
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1999 206
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1,241,100,000,000th pi (, 3)
5. Kanada pi http://www.super-
computing.org/pi-decimal_current.html.
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800 pi.
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Kanada 800
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2 80.000.456.638
3 79.999.778.661
4 80.000.238.6905 79.999.773.551
6 79.999.935.320
7 79.999.775.965
8 80.000.650.170
9 79.999.802.555
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