白板报 数学集锦 / 03.14
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圆周率集锦

讨论目录

91–120 / 13,083 条 · 第 4 / 437 页
  2. Reddit · r/science计算与算法2009-03-14340 分257 回复

    Silly contest for finding a fraction to more closely approximate the value of pi than 355/113. Be sure to check the winner's response!

    11 条相关评论
  3. Reddit · r/math历史与文化2019-03-13325 分171 回复

    Pi Day Megathread

    20 条相关评论
  5. Reddit · r/mathmemes计算与算法2025-03-141,587 分302 回复

    Today is π day, drop your favourite π approximations

    16 条相关评论
  9. Reddit · r/askscience圆周率讨论2012-06-27768 分430 回复

    How exactly can e^i*pi = 1?

    13 条相关评论
  10. Reddit · r/todayilearned计算与算法2019-03-3166,578 分1,611 回复

    TIL NASA calculated that you only need 40 digits of Pi to calculate the circumference of the observable universe, to the accuracy of 1 hydrogen atom

    127 条相关评论
  12. Reddit · r/askscience数位与应用2017-03-143,414 分435 回复

    [Math] Is every digit in pi equally likely?

    52 条相关评论
  13. Reddit · r/todayilearned计算与算法2012-10-27366 分92 回复

    TIL That there is a compressed text file of 10 trillion digits of pi that is 7.6 TB

    11 条相关评论
  14. Reddit · r/technology计算与算法2021-08-17325 分119 回复

    Scientists Calculate Pi to 62.8 Trillion Digits

    10 条相关评论
  15. Reddit · r/askscience数位与应用2016-04-102,794 分422 回复

    Can you represent PI in a finite number of digits in any number system?

    27 条相关评论
  16. Reddit · r/todayilearned计算与算法2021-05-14497 分55 回复

    TIL that NASA doesn't use more than 15 digits of π for interplanetary travel because it doesn't actually need more, and if we wanted to calculate the circumference of a circle the size of the UNIVERSE, using 40 digits w…

    6 条相关评论
  18. Reddit · r/askscience计算与算法2015-01-051,967 分352 回复

    Why can we calculate (not measure) pi?

    64 条相关评论
  19. Reddit · r/askscience数位与应用2012-11-021,164 分341 回复

    If pi is an infinite number, nonrepeating decimal, meaning every posible number combination exists in pi, can pi contain itself as a combination?

    36 条相关评论
  20. Reddit · r/technology计算与算法2010-08-31248 分123 回复

    Japanese man calculates Pi to 5 trillion digits on homemade computer.Mr Kondo's wife complained that the computer used up a lot of energy during the three-month project and increased the electricity bill to Y20,000 (£15…

    18 条相关评论
  23. Reddit · r/askmath证明与性质2023-07-25651 分223 回复

    Does pi, in theory, contain every string of numbers?

    42 条相关评论
  26. Reddit · r/explainlikeimfive证明与性质2015-04-18234 分92 回复

    ELI5: Pi is irrational, therefore it goes on forever. Could that mean that, within pi, you could find other irrational numbers, like √2, and vice versa?

    25 条相关评论
  27. Reddit · r/Showerthoughts定义与几何2014-04-041,047 分77 回复

    Pi is the embodiment of the circle, yet is also the farthest possible thing from a round number.

    13 条相关评论
  29. Reddit · r/math历史与文化2023-03-14243 分103 回复

    Pi Day Megathread: March 14, 2023

    16 条相关评论
  30. Reddit · r/math历史与文化2022-03-14249 分120 回复

    Pi Day Megathread: March 14, 2022

    11 条相关评论