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@fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish • 1 year ago

Eeeeee

mander.xyz

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Eeeeee

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@fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish • 1 year ago
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  • @cryoistalline@lemmy.ml
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    31•1 year ago

    The approximation is only around 4.28*10^-101 off from pi.
    https://www.wolframalpha.com/input?i=integral+from+-a+to+a+of+(integral+from+-a+to+a+of+e^-(x^2%2By^2)dy)dx
    https://www.wolframalpha.com/input?i=(1-erf(e^e)^2)*pi

    • @kata1yst@sh.itjust.works
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      42•1 year ago

      And because it always bears repeating;

      According to JPL’s Chief Engineer for Mission Operations and Science, Marc Rayman-

      Let's go to the largest size there is: the known universe. The radius of the universe is about 46 billion light years. Now let me ask (and answer!) a different question: How many digits of pi would we need to calculate the circumference of a circle with a radius of 46 billion light years to an accuracy equal to the diameter of a hydrogen atom, the simplest atom? It turns out that 37 decimal places (38 digits, including the number 3 to the left of the decimal point) would be quite sufficient.

      • Justin
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        15•
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        1 year ago

        Technically you need another 20 digits if you want to get down to a Planck length. (57 digits in total)

      • @daqu@feddit.org
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        8•1 year ago

        So the number 3 should be close enough for home use. Good to know. Thanks!

        • ForeverComical
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          4•1 year ago

          As an engineer, I approve this message!

        • @ulterno@lemmy.kde.social
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          1•1 year ago

          My maths exam asked me to consider pi=5.

          • @vonxylofon@lemmy.world
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            2•1 year ago

            “I will… consider it.”

      • @bleistift2@sopuli.xyz
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        1•
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        1 year ago

        You can quote with the “greater than” sign (>). Backticks mark text as source code.

        > quote

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