Pi calculated to 'record number' of digits

A computer scientist claims to have computed the mathematical constant pi to nearly 2.7 trillion digits, some 123 billion more than the previous record. Fabrice Bellard used a desktop computer to perform the calculation, taking a total of 131 days to complete and check the result. This version of pi takes over a terabyte of hard disk space to store. Previous records were established using supercomputers, but Mr Bellard claims his method is 20 times more efficient.

2010-01-06

 pi mathematics computer constant algorithm

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