圆周率

世界各地会在每年的3月14日庆祝圆周率日。

Pi Day is celebrated on March 14th ( 3 / 14 ) around the world . For example :

有些示例展示了如何将Workers用于执行密集的数学计算，比如计算1万位数的圆周率。

Some Worker examples show Workers being used to perform intense mathematical computations , like calculating ten-thousand digits of pi .

QT3.14是用数学俚语指代某个可爱又迷人的家伙，这里的QT其实就是cutie（可爱）的缩写，而3.14则代表pie（招人喜欢的人），与该数字原本代表的数学概念Pi（圆周率）同音。

QT3.14 is mathematics slang for cutie pie , that is , a cute , attractive person . QT means cutie , and 3.14 means pie ( with same pronunciation with Pi ) .

这也是记忆一长串数字的好方法，比如记忆圆周率的n位数字。

This is also an excellent way to remember long sequences like pi to n digits .

计算机算出pi圆周率小数点后有1万多亿。

Computers have calculated Pi to over one trillion digits .

通过圆周率！计算和梅森素数搜索的实验证明，CGrid具有很好的可用性和较好的实时性。

The tests of computation algorithm of and Mersenne Prime Search show that C_Grid is not only practical , but also real-time .

MH：我常常半开玩笑的把自己叫做”反圆周率领袖“。

MH : I sometimes half-jokingly refer to myself as " the world 's leading anti-pi propagandist " .

采用的测试程序基于计算圆周率的BBP算法。

The adopted testing program is based on BBP algorithm for pi .

用Java程序计算圆内随机点的点数与正方形内随机点数之比，得到正方形和其内切圆的面积比，计算出圆周率。

With Java program computation stochastic points in circular domain and square ratio of the stochastic points , this paper obtains the square and its inscribed circle area ratio , and calculates the ratio of the circumference of a circle to its diameter .

采用精度敏感的圆周率计算BBP算法验证了CCRG编译器在扩展双精度浮点运算上的正确性。

The precision-sensitive BBP algorithm for the computation of Pi is used to verify the CCRG compiler . 2 .

1988年，在旧金山科学博物馆举办了第一届圆周率日。

Pi Day started in 1988 at the San Francisco Exploratorium .

李俨与中国古代圆周率

Li Yan and the π in the History of Ancient Chinese Mathematics

圆周率的平方根的二分之一是多少？

How much is one over two times the square root of pi ?

几个圆周率的级数恒等式

Several series identities about the ratio of the circumference

圆周率已经有4千年历史了啦。

D : Yes , and it has been for over 4000 years .

圆周率？那时他想让我们知道的？

It 's pi ? That 's what you wanted us to figure out ?

爱情就象圆周率&自然、非理性，却至关重要。

Love is like pi ¬ & natural , irrational , and VERY important .

他认为圆周率特别美丽。

He says Pi is particularly beautiful .

这是一个圆周率计算源码，可以作为初级入门学习之用。

This is a calculated pi source can be used as the primary portal learning .

圆周率日会在每年的3月14日庆祝。

Pi Day is on March 14 .

贝拉：我不是想知道圆周率的平方根。

Bella : I don 't want to know what the square root of pi is .

背圆周率？我记得在7年级学几何时背的。

Y : Memorize pi ? Oh yeah , I remember that from 7th grade geometry .

它听起来很简单，圆的直径除以周长就等于圆周率。

It sounds simple : Pi equals the circumference of a circle divided by its diameter .

我们需要讲述故事，否则我们的人生就会像圆周率一样，只是永不停歇的继续着。

We need storytelling . Otherwise life just goes on and on , like the number Pi .

圆周率是数学史上最吸引人的数字。

D : It 's only one of the most fascinating numbers in the history of mathematics .

每天只需要记住4位数字，你就能记住圆周率小数点后很多位数字。

Taking just four extra digits a day you can easily remember pi to many decimal places .

远在1500多年前，祖冲之就计算出了精确的圆周率。。

Dated as far back as 1500 years ago ， He worked out an accurate value of pi .

谭米特保持着圆周率背诵的欧洲纪录，他在短短五个多小时内将圆周率背诵到小数点后22514位。

Tammet holds the European record for memorising and recounting pi to 22514 digits in just over five hours .

任何学过几何学的人都知道圆周率这个数值的重要性。

Anyone who has ever studied geometry knows the importance of the quantity known as " pi " (π) .

圆面积公式与圆周率究竟是怎样推求的

How to Calculate the Area of Circle and Ratio of the Circumference of to Its Diameter ITO formula of a function of