Bellard Pi

Calculate the Number Pi to Bellard's Formula.

Fabrice Bellar is a French programmer, author of a number of well -known projects in the field of free software.

In 1997, Bellar opened the fastest formula for calculating a single category of the number of pi in a binary representation-the so-called Bellar formula, which is a modification of the formula of Bailey-Borwan-Pluff.

On December 31, 2009, Bellar announced the establishment of a new world record in calculating the number of PI: 2,699,99,990,000 decimal signs were received. The calculations were made on a personal computer worth less than 2000 euros and took 103 days. Checking the last 50 hexadecimal signs of the result using the Bellar formula took 13 days.

http://ru.wikipedia.org/wiki/bellar._fabris

The Bellara formula allows you to calculate the N-th category in a binary representation. This is a quick modification (approximately 43 % faster) formula Bailey-Belwine-Pluff formulas

http://ru.wikipedia.org/wiki/ formula_bellar

Based on this formula and example in the SI programming language, this program was written for calculating n numbers after aim.

http://bellard.org/pi/

Source code: [https://github.com/chelaxe/bellardpi]

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