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Swiss Scientists Just Broke The Record For Calculating Pi

Pi has been calculated to a new record of 62.8 trillion figures!

A new mathematical record has been set thanks to Swiss researchers.

Researchers at the Center for Data Analysis, Visualization and Simulation (DAViS) from the Graubuenden University of Applied Sciences used a supercomputer to calculate the mathematical constant pi to a new world record level of precision, reaching 62.8 trillion figures, according to a press release. To give you a sense of scale, the previous world-record pi calculation yielded 50 trillion figures.

Moreover, the researchers, led by IT project manager Thomas Keller and center manager Prof. Dr. Heiko Rölke, were able to achieve this feat with a limited budget, hardware, and human resources.

Calculating the infinity

Pi, whose first 10 figures are 3.141592653, is the circumference to diameter ratio of a circle, with an infinite number of digits following the decimal point. This makes determining such a number an impressively difficult and time-consuming feat. Despite this, researchers continue to use the evolving power of computers to push the limit of calculations for the constant. 

Massive amounts of memory and fast memory access times were critical for the calculation of pi in the trillion-digit range. According to the university statement, "the extremely memory-intensive calculation of pi" took 108 days and nine hours, and the efforts not only beat the previous world record but it was calculated 3.5 times faster, the Guardian reported.

These researchers are awaiting confirmation from the Guinness Book of Records, so they've revealed only the final 10 digits calculated until then, which are 7817924264.

The researchers wrote that the most precise calculation of pi serves as an "unofficial benchmark." While knowing trillions of digits has no practical application, the point here is not in the exact knowledge of this sequence of digits, but the method by which the digits are calculated. While there aren't many  if any  real-world physical applications where knowing more than 15 decimal places is required, that's not really the point. 

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Apparently, the experience the researchers gained from calculating pi could be applied to other areas such as RNA analysis, simulations of fluid dynamics, and textual analysis. The researchers have set a record for what is essentially a computational challenge, showing the potential of computational hardware and software.

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