What is that? It's the piece of code we wrote for computing square roots, square roots of actually perfect squares.

对吧？这是什么呢？,这是我们写的计算平方根的代码，计算完全全平方根的。

麻省理工公开课 - 计算机科学及编程导论课程节选

I can check it, so if this was part of some other computation, I want to know, did it find a perfect square or not?

我可以检验它,因此如果这是其它计算的一部分我想知道，它能否找到一个完全平方根呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

OK, once it gets to the end of that, what's it going to do? It's going to come down here and, oh. What's that doing? Well I cheated when I started. I said, somebody's giving me a perfect square, I'm looking for the square root of it. But suppose 15 I gave this thing 15, and asked it to run.

好，一旦到了循环的最后，程序会去做什么？程序会跳到这里来,噢，这是干什么的？好吧,当我开始的时候我有点小作弊的意思,我说过，我得到了一个完美的平方数,我要求这个数的平方根,但是假设下我得到的数是。

麻省理工公开课 - 计算机科学及编程导论课程节选

The algorithm at the centre of his method first checks whether the number in question is a perfect square, cube, or other power of a smaller number.

ECONOMIST: Number theory

There, under the napkin, were more than a dozen perfect golden square cheese puffs that smelled as if they had been taken out of the oven a second ago.

NEWYORKER: Luda and Milena

Sharma bowled an absolute beauty that pitched in the perfect area and moved away to square up Michael Clarke, taking his edge.

BBC: Aussies shackled by patient India