白板报 数学集锦 / 03.14
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圆周率集锦

讨论目录

2,671–2,700 / 13,083 条 · 第 90 / 437 页
  11. 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 be infinite if it is just a ratio of the circle’s circumference to its diameter? (Or a circle’s circumference divided by its diameter, however it’s been explained to you. Wikipedia uses both definitions)

    9 条相关评论
  16. 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 have numbers with infinite digits such as pi even been able to be discovered to such a long amount of decimals? How do you even continue to calculate the continuous amount of numbers?

    8 条相关评论
  18. Reddit · r/todayilearned定义与几何

    定义与几何 · 评论中的圆周率

    讨论串 · TIL: some mathematicians want to do away with PI

    9 条相关评论
  21. Reddit · r/Damnthatsinteresting计算与算法

    计算与算法 · 评论中的圆周率

    讨论串 · Pi

    13 条相关评论
  25. Reddit · r/explainlikeimfive证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · ELI5 How do we know Pi is irrational for sure? Is it irrational in all base systems?

    14 条相关评论
  26. Reddit · r/askscience证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · If presented with a Random Number Generator that was (for all intents and purposes) truly random, how long would it take for it to be judged as without pattern and truly random?

    8 条相关评论
  27. Reddit · r/todayilearned证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · TIL at position 9,202,591 in pi, you will find Jenny's telephone number 867-5309.

    72 条相关评论
  28. Reddit · r/todayilearned数位与应用

    数位与应用 · 评论中的圆周率

    讨论串 · TIL that it has been mathematically proven and established that 0.999... (infinitely repeating 9s) is equal to 1. Despite this, many students of mathematics view it as counterintuitive and therefore reject it.

    20 条相关评论
  29. Reddit · r/explainlikeimfive证明与性质

    证明与性质 · 评论中的圆周率

    讨论串 · Eli5 - Does pi really not have repeating set of decimal digits?

    20 条相关评论
  30. Reddit · r/mathmemes历史与文化2020-03-1433 分1 回复

    Happy Pi Day