白板报 数学集锦 / 03.14
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圆周率集锦

讨论目录

301–330 / 13,083 条 · 第 11 / 437 页
  1. Reddit · r/todayilearned计算与算法2015-12-012,892 分165 回复

    TIL 62 decimal digits of pi is all that is needed to calculate the circumference of the known universe to Planck length precision

    9 条相关评论
  2. Reddit · r/math数位与应用2021-03-14966 分134 回复

    How Many Decimals of Pi Do We Really Need? For NASA the answer is 15

    18 条相关评论
  3. Reddit · r/explainlikeimfive证明与性质2022-05-123 分56 回复

    ELI5: Why is pi irrational? Why are we unable to measure it precisely?

    20 条相关评论
  4. Reddit · r/todayilearned计算与算法2021-09-1320 分40 回复

    TIL that we can (probably) never calculate the absolute accurate area or circumference of a circle, since the exact value of pi can (probably) never be calculated

    8 条相关评论
  5. Reddit · r/philosophy证明与性质2013-03-0288 分324 回复

    Is pi proof of continuous space

    36 条相关评论
  6. Reddit · r/mathmemes历史与文化2023-03-14107 分7 回复

    Happi Pi Day!

  7. Reddit · r/askscience计算与算法2015-01-2516 分23 回复

    I know that pi is infinite, but why couldn't we calculate pi so we could find the exact area of a circle?

    12 条相关评论
  8. Reddit · r/mathmemes历史与文化2026-03-14102 分8 回复

    Happy Pi Day <3

  9. Hacker News数位与应用2020-09-28149 分147 回复

    How Many Decimals of Pi Do We Really Need? (2016)

    30 条相关评论
  10. Reddit · r/explainlikeimfive定义与几何2013-05-2221 分25 回复

    ELI5 how do we use the pi symbol which represents an infinite number to find the area of a circle which is definite?

    8 条相关评论
  11. Reddit · r/changemyview定义与几何2013-08-29121 分143 回复

    I believe that tau is far better than pi; CMV

    34 条相关评论