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HonoraryMancunian@lemmy.world to Videos@lemmy.worldEnglish · 1 年前

The biggest hand calculation in a century! [π Day 2024]

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The biggest hand calculation in a century! [π Day 2024]

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HonoraryMancunian@lemmy.world to Videos@lemmy.worldEnglish · 1 年前
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Please note down the new value of pi: 3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306...
  • Kethal@lemmy.world
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    1 年前

    Although there are measurement techniques that do appropriate pi, that’s done mostly because it’s interesting. Typically one calculates pi, not measures it. The calculation can’t ever be completed but the more you do, the better your approximation. One method is this https://en.m.wikipedia.org/wiki/Leibniz_formula_for_π

    That sort of stuff is done a lot. However, you don’t need all that many digits before adding more digits doesn’t meaningfully affect calculations. https://www.jpl.nasa.gov/edu/news/2016/3/16/how-many-decimals-of-pi-do-we-really-need/

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