Reddit · r/explainlikeimfive计算与算法 计算与算法 · 评论中的圆周率 讨论串 · ELI5: Why so we need to know so much of pi? When NASA only uses up to the first 18 digits of pi, why would we possibly need billions of digits? What does that accomplish?2 条相关评论计算与算法 · 2017-09-26 · 3 分计算与算法 · 2017-09-26 · 2 分
Reddit · r/askscience定义与几何 定义与几何 · 评论中的圆周率 讨论串 · How much of a difference would it be to calculate the circumference of the observable universe using 3 instead of pi?1 条相关评论定义与几何 · 2016-02-14 · 1 分
Reddit · r/Showerthoughts定义与几何 定义与几何 · 评论中的圆周率 讨论串 · We know the exact values for pi with circles larger than the observable universe because the Planck length exists (1.6*10^-35 m)1 条相关评论定义与几何 · 2021-11-06 · 0 分
2 条相关评论