All I ask is why ? Just because they can ? Surely they could do something more useful with the 47th most powerful super-computer in the world ?

Pi Calculated To Record 2.5 Trillion Digits: “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 Top500.org). 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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