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  3. Happy π Day!

Happy π Day!

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  • capnthommo@c.imC capnthommo@c.im

    @gutenberg_org sorry. Pi day in this country is not until 31st of April. April having only 30 days. So of course piday will not happen.

    gutenberg_org@mastodon.socialG This user is from outside of this forum
    gutenberg_org@mastodon.socialG This user is from outside of this forum
    gutenberg_org@mastodon.social
    wrote last edited by
    #3

    @capnthommo https://americanhistory.si.edu/explore/stories/pi-day-american-celebration

    patrick@mendeddrum.orgP 1 Reply Last reply
    0
    • gutenberg_org@mastodon.socialG gutenberg_org@mastodon.social

      @capnthommo https://americanhistory.si.edu/explore/stories/pi-day-american-celebration

      patrick@mendeddrum.orgP This user is from outside of this forum
      patrick@mendeddrum.orgP This user is from outside of this forum
      patrick@mendeddrum.org
      wrote last edited by
      #4

      @gutenberg_org @capnthommo https://brilliantmaps.com/wp-content/uploads/2015/01/dateformat.png Only the US uses that format. The rest of the world doesn’t. Which was the point. See you on the 22nd of July!

      1 Reply Last reply
      0
      • gutenberg_org@mastodon.socialG gutenberg_org@mastodon.social

        Happy π Day! And Albert Einstein was born #OTD 147 years ago!

        Link Preview Image
        Pi - Wikipedia

        favicon

        (en.wikipedia.org)

        Isaac Newton used infinite series to compute π to 15 digits, later writing "I am ashamed to tell you to how many figures I carried these computations".

        Link Preview Image
        Pi - Wikipedia

        favicon

        (en.wikipedia.org)

        "I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

        Einstein at PG:
        https://www.gutenberg.org/ebooks/author/1630

        #books #mathematicsDay

        Link Preview ImageLink Preview ImageLink Preview Image
        M This user is from outside of this forum
        M This user is from outside of this forum
        muddle@infosec.exchange
        wrote last edited by
        #5

        @gutenberg_org Hang on, are we talking about Taylor or McLauren series here? Just curious about what the state of the art was at the time.

        gutenberg_org@mastodon.socialG 2 Replies Last reply
        0
        • capnthommo@c.imC capnthommo@c.im

          @gutenberg_org sorry. Pi day in this country is not until 31st of April. April having only 30 days. So of course piday will not happen.

          gnarf@hachyderm.ioG This user is from outside of this forum
          gnarf@hachyderm.ioG This user is from outside of this forum
          gnarf@hachyderm.io
          wrote last edited by
          #6

          @capnthommo @gutenberg_org I think we're still allowed to have maths-based fun even if the date thing doesn't make much sense to us 🙂

          gutenberg_org@mastodon.socialG 1 Reply Last reply
          0
          • gutenberg_org@mastodon.socialG gutenberg_org@mastodon.social

            Happy π Day! And Albert Einstein was born #OTD 147 years ago!

            Link Preview Image
            Pi - Wikipedia

            favicon

            (en.wikipedia.org)

            Isaac Newton used infinite series to compute π to 15 digits, later writing "I am ashamed to tell you to how many figures I carried these computations".

            Link Preview Image
            Pi - Wikipedia

            favicon

            (en.wikipedia.org)

            "I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

            Einstein at PG:
            https://www.gutenberg.org/ebooks/author/1630

            #books #mathematicsDay

            Link Preview ImageLink Preview ImageLink Preview Image
            bruce@darkmoon.socialB This user is from outside of this forum
            bruce@darkmoon.socialB This user is from outside of this forum
            bruce@darkmoon.social
            wrote last edited by
            #7

            @gutenberg_org

            And now we take pride in how far we can calculate pi.

            1 Reply Last reply
            0
            • M muddle@infosec.exchange

              @gutenberg_org Hang on, are we talking about Taylor or McLauren series here? Just curious about what the state of the art was at the time.

              gutenberg_org@mastodon.socialG This user is from outside of this forum
              gutenberg_org@mastodon.socialG This user is from outside of this forum
              gutenberg_org@mastodon.social
              wrote last edited by
              #8

              @muddle we need to access this book to get a proper answer https://books.google.com/books/about/Pi_Unleashed.html?hl=pt-PT&id=QwwcmweJCDQC

              1 Reply Last reply
              0
              • gutenberg_org@mastodon.socialG gutenberg_org@mastodon.social

                Happy π Day! And Albert Einstein was born #OTD 147 years ago!

                Link Preview Image
                Pi - Wikipedia

                favicon

                (en.wikipedia.org)

                Isaac Newton used infinite series to compute π to 15 digits, later writing "I am ashamed to tell you to how many figures I carried these computations".

                Link Preview Image
                Pi - Wikipedia

                favicon

                (en.wikipedia.org)

                "I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

                Einstein at PG:
                https://www.gutenberg.org/ebooks/author/1630

                #books #mathematicsDay

                Link Preview ImageLink Preview ImageLink Preview Image
                drdusty@mastodon.socialD This user is from outside of this forum
                drdusty@mastodon.socialD This user is from outside of this forum
                drdusty@mastodon.social
                wrote last edited by
                #9

                @gutenberg_org ... reposted 3.14 times 🙂

                gutenberg_org@mastodon.socialG 1 Reply Last reply
                0
                • gnarf@hachyderm.ioG gnarf@hachyderm.io

                  @capnthommo @gutenberg_org I think we're still allowed to have maths-based fun even if the date thing doesn't make much sense to us 🙂

                  gutenberg_org@mastodon.socialG This user is from outside of this forum
                  gutenberg_org@mastodon.socialG This user is from outside of this forum
                  gutenberg_org@mastodon.social
                  wrote last edited by
                  #10

                  @gnarf @capnthommo Agreed!!

                  1 Reply Last reply
                  0
                  • drdusty@mastodon.socialD drdusty@mastodon.social

                    @gutenberg_org ... reposted 3.14 times 🙂

                    gutenberg_org@mastodon.socialG This user is from outside of this forum
                    gutenberg_org@mastodon.socialG This user is from outside of this forum
                    gutenberg_org@mastodon.social
                    wrote last edited by
                    #11

                    @drdusty Glad you managed it!

                    1 Reply Last reply
                    0
                    • M muddle@infosec.exchange

                      @gutenberg_org Hang on, are we talking about Taylor or McLauren series here? Just curious about what the state of the art was at the time.

                      gutenberg_org@mastodon.socialG This user is from outside of this forum
                      gutenberg_org@mastodon.socialG This user is from outside of this forum
                      gutenberg_org@mastodon.social
                      wrote last edited by
                      #12

                      @muddle Should be Taylor series as mentioned here (as far as I remember): https://www.gutenberg.org/ebooks/76404

                      M 1 Reply Last reply
                      0
                      • gutenberg_org@mastodon.socialG gutenberg_org@mastodon.social

                        @muddle Should be Taylor series as mentioned here (as far as I remember): https://www.gutenberg.org/ebooks/76404

                        M This user is from outside of this forum
                        M This user is from outside of this forum
                        muddle@infosec.exchange
                        wrote last edited by
                        #13

                        @gutenberg_org Thanks! I somehow thought that the Taylor series was somewhat later than Newton's work on calculus but I guess that they were contemporaries and Newton would have been aware of Taylor's work (as well as earlier formulae for pi).

                        This could become a bit of a rabbit hole, but I'm reminded of Fabrice Bellard's more recent calculations (probably since surpassed?) and wondering what new techniques he used...

                        M 1 Reply Last reply
                        1
                        0
                        • R relay@relay.infosec.exchange shared this topic
                        • M muddle@infosec.exchange

                          @gutenberg_org Thanks! I somehow thought that the Taylor series was somewhat later than Newton's work on calculus but I guess that they were contemporaries and Newton would have been aware of Taylor's work (as well as earlier formulae for pi).

                          This could become a bit of a rabbit hole, but I'm reminded of Fabrice Bellard's more recent calculations (probably since surpassed?) and wondering what new techniques he used...

                          M This user is from outside of this forum
                          M This user is from outside of this forum
                          muddle@infosec.exchange
                          wrote last edited by
                          #14

                          @gutenberg_org answered here: https://www.bellard.org/pi/

                          and here: https://www.bellard.org/pi/pi2700e9/faq.html

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