• Question: do you know the value of pi off by heart! i know the first bit goes 3.14159265!

    Asked by alice1996 to Gioia, Iain, Jo, Leo, Mariam on 23 Jun 2010 in Categories: .
    • Photo: Joanna Watson

      Joanna Watson answered on 15 Jun 2010:

      Blimey – I only know it off by heart as far as 3.142.

    • Photo: Mariam Orme

      Mariam Orme answered on 20 Jun 2010:

      Wow, you already know it a lot better than me… I always just round it up to 3.142. I’m impressed!

    • Photo: Leo Garcia

      Leo Garcia answered on 20 Jun 2010:

      The world record for reciting the most digits of Pi off by heart is held by Lu Chao, a graduate student from China. He can recite Pi to 67,890 digits, without making a mistake!


      The name given to the hobby (?) of memorising Pi is ‘Piphilology’:


    • Photo: Gioia Cherubini

      Gioia Cherubini answered on 21 Jun 2010:

      That’s much more I have ever learnt! I thought it was enough to remember 3.14…

    • Photo: Iain Moal

      Iain Moal answered on 23 Jun 2010:

      Nobody can know the value of pie off by heart, because it goes on forever! I know it up to 3.14159 though, and have never needed a more accurate value than that.