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Researchers were able to calculate the value of "pi" up to 1.24 trillion digits after the decimal point - six times compared to the number of digits calculated so far. According to Makoto Kudo of the Center for Information Technology at the University of Tokyo, Prof. Yasumeza Kanada and other researchers performed the calculation using a Hitachi supercomputer.
Pi is the ratio between the circumference of a circle and its diameter. It is usually customary to say that its value is 3.14, but in fact the number of digits after the decimal point of the number is infinite. The new calculation has no practical consequences, but according to some researchers it may help improve calculation methods.
Prof. Kanada's team worked on the software that did the calculation for five years. "It's amazing and mind-blowing," said David Bailey, chief technologist of the Center for Scientific Computing at Lawrence Berkeley Lab. "The computational achievement is enormous, not only in its scope but also in the innovative method used by the researchers. The computer they used could not have performed the calculation using existing methods." Hitachi's supercomputer is capable of two trillion calculations per second.
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