moon_aka_sun: (Default)
moon_aka_sun ([personal profile] moon_aka_sun) wrote2006-02-28 06:55 pm
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π

Ух ты, а я и не знал! Есть формула для вычисления произвольных знаков пи без вычисления предшествующих знаков! Из неё же, грубо говоря, следует и то, что все цифры в пи случайны и равновероятны.

pi=sum(k=0..INF,1/16^k*(4/(8*k+1)-2/(8*k+4)-1/(8*k+5)-1/(8*k+6))

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