白板报 数学集锦 / 03.14
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  4. Reddit · r/WritingPrompts定义与几何2014-10-31589 分119 回复

    [WP] ∏ (Pi) turns out not to be infinite. When the end is found, a tiny gap in every circles is discovered. Doorways to...

    9 条相关评论
  6. Reddit · r/todayilearned计算与算法2014-03-252,837 分389 回复

    TIL you only need 39 digits of pi to calculate the circumference of the observable universe to within a hydrogen atom

    34 条相关评论
  8. Reddit · r/Showerthoughts证明与性质2015-01-11739 分100 回复

    If pi really is non-repeating and unending, then every possible numeric sequence is in it. Converted to binary, every possible set of instructions is in it. All the data in the universe is in it. Therefore, everything i…

    5 条相关评论
  9. Reddit · r/WritingPrompts数位与应用2022-05-26136 分12 回复

    [WP] Humanity has unlocked the secrets of FTL travel. We have understood the depths of black holes. Quantum mechanics has been mastered. Dark matter studied extensivly. It seems we are on the verge of "the everything eq…

    5 条相关评论
  15. Reddit · r/Showerthoughts数位与应用2015-03-21224 分77 回复

    You can tell someone who doesn't know Pi past 3.14 that you know 55 digits and just say random numbers

    11 条相关评论
  16. Reddit · r/science数位与应用2009-09-1531 分99 回复

    PI, you crazy sunnavabitch - I just found out that "31415926" appears at the 50,366,472 digit of Pi. Can anyone find out where "314159265" occurs?

    15 条相关评论
  17. Reddit · r/askscience计算与算法2014-02-0357 分49 回复

    Is there any rational reason for calculating pi (no pun intended) to millions and millions of digits? Or is it just calculating it for the sake of calculating it?

    10 条相关评论
  18. Reddit · r/explainlikeimfive数位与应用2012-05-1449 分50 回复

    ELI5? Why is it important to know so many digits of pi?

    13 条相关评论
  27. Reddit · r/todayilearned计算与算法2017-11-276,399 分363 回复

    TIL That to calculate the position of the Voyager 1 spacecraft some 12.5 billion miles away, you only need to use the first 15 digits of the value of Pi to be accurate within 1.5 inches

    18 条相关评论
  28. Reddit · r/learnmath定义与几何2023-12-13131 分131 回复

    Why is a full turn 2pi radians? Why not just pi?

    37 条相关评论
  30. Reddit · r/mathematics历史与文化2021-03-1532 分94 回复

    In honor of pi day, how many digits of pi did y’all have memorized?

    11 条相关评论