Celebrate Pi Day (3.14), March 14, with a slice of pie.
That's just one way an Idaho math teacher is serving up a way to commemorate Pi Day, this year on a Saturday, paying tribute to the mathematical constant, "π," a symbol used in mathematics to represent the ratio of a circle's circumference to its diameter.
【标题】π日：全世界是怎么庆祝这一天的
【正文】用一块派来庆祝三月十四π之日
那就是一种方式来纪念π，是美国爱达荷州的数学老师发起的。今年的三月十四日，周六，他致敬在数学领域一直存在的π。π是数学里面代表圆周率，即圆的周长除以直径。
3.1415926
今天1点59分26秒，π日中的关键时刻～
不过，我还是喜欢这个：
山巅一寺一壶酒。
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本文标题：Pi Day: How It’s Celebrated Acro
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