Emma Haruka Iwao smashes pi world record with Google help

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The value of the number pi has been calculated to a new world record length of 31 trillion digits, far past the previous record of 22 trillion.

  • Zoe Kleinman
  • BBC

Emma Haruka Iwao, a Google employee from Japan, found the new digits with the help of the company’s cloud computing service.

Pi is the number you get when you divide a circle’s circumference by its diameter.

The first digits, 3.14, are well known but the number is infinitely long.

Extending the known sequence of digits in pi is very difficult because the number follows no set pattern.

Pi is used…

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