白板报 数学集锦 / 03.14
HACKER NEWS / REDDIT

圆周率集锦

讨论目录

2,761–2,790 / 13,083 条 · 第 93 / 437 页
  2. Reddit · r/Showerthoughts证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · Since pi is an infinite irrational number, there’s a chance that your birthday, social security number, and any other random combination of numbers is found somewhere in it.

    13 条相关评论
  4. Reddit · r/askscience证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · If PI was ever found to actually repeat, what would it mean for mathematics? Or is it impossible for it to repeat?

    9 条相关评论
  6. Reddit · r/IAmA数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · IAmA professional mathematician. AMA.

    12 条相关评论
  16. Reddit · r/todayilearned计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · TIL that in 1995, Dutch electronics engineer Jan Sloot claimed to have invented a data sharing system that could store a complete movie in eight kilobytes; he died one day before signing a deal, and despite months of se…

    7 条相关评论
  20. Reddit · r/askscience证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · What does it mean that ∏ is "never repeating"?

    10 条相关评论
  21. Reddit · r/explainlikeimfive数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · ELI5: Why do some people use comma (,) instead of dot/period (.) when writing decimals?

    9 条相关评论
  22. Reddit · r/explainlikeimfive计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · ELI5 How we know that Pi has billions and trillions of digits?

    9 条相关评论
  25. Reddit · r/askscience定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · Is it technically possible that somewhere in the Universe some of the fundamental constants are actually variable?

    11 条相关评论
  26. Reddit · r/explainlikeimfive证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · ELI5: Why is pi irrational when pi is a ratio of circumference to diameter?

    12 条相关评论
  28. Reddit · r/todayilearned计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · TIL "Accuracy" is the ability to hit a target, "Precision" is the ability to achieve the same results over and over. You can be accurate without being precise, and precise without being accurate.

    6 条相关评论
  29. 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 can pi never repeat a pattern?

    15 条相关评论