白板报 数学集锦 / 03.14
HACKER NEWS / REDDIT

圆周率集锦

讨论目录

3,001–3,030 / 13,083 条 · 第 101 / 437 页
  5. Hacker News定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · Is π the Same in Every Universe?

    17 条相关评论
  7. Reddit · r/Damnthatsinteresting定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · You get more pizza in one 18” than you do in two 12” pizzas.

    14 条相关评论
  8. Reddit · r/explainlikeimfive计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · ELI5: If we can never find the exact value of PI, why are we still calculating further digits of it?

    10 条相关评论
  10. Reddit · r/Showerthoughts证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · If your penis is longer than, say, 3.15 inches, then at some point in your life, your penis was exactly pi inches long

    25 条相关评论
  11. Reddit · r/askscience证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · This might just be very simple, but What is the quickest way to know whether a given number is irrational. For instance sqrt 17 , sqrt 6754839 etc.

    7 条相关评论
  12. Reddit · r/books数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · In a nine-publisher auction for a stand-up mathematician's new book, the author asked that all bids be made in prime numbers or numbers derived from pi.

    7 条相关评论
  22. Reddit · r/explainlikeimfive数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · ELI5 How big does a number have to get for it to be called infinite? Like Pi for example.

    8 条相关评论
  23. Reddit · r/mathematics历史与文化2014-03-149 分4 回复

    Happy Pi Day

  26. Reddit · r/Showerthoughts数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · If there are infinite universes, there's one in which coin flips always result in heads and a scientist is deemed as crazy for saying there's a 50% chance that a coin flip results in tails.

    6 条相关评论
  28. Hacker News定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · Turns are better than radians

    16 条相关评论
  29. Reddit · r/philosophy数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · Is mathematics an invention or a discovery?

    13 条相关评论