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Math Supercomputing

Pi Calculated To Record 2.5 Trillion Digits 432

Joshua writes "Researchers from Japan have calculated Pi to over 2.5 trillion decimals using the T2K Open Supercomputer (which is currently ranked 47th in the world according to a June, 2009 report from This new number more than doubles the previous record of about 1.2 trillion decimals set in 2002 by another Japanese research team. Unfortunately, there still seems to be no pattern."
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Pi Calculated To Record 2.5 Trillion Digits

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"The algorithm to do that is extremely nasty. You might want to mug someone with it." -- M. Devine, Computer Science 340