Here’s a test. How many digits of pi do you know (without Googling it!)?
It’s 3 point something, right?
Yesterday, Akira Haraguchi reportedly recited Pi from memory to 100,000 places in front of an enraptured audience at a public hall in Kisarazu, Chiba.
It took him 16.5 hours. Not bad for a 60-year-old!
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