Almost calculator can finish basic arithmetic and root square operation. The science calculator can even process trigonometric function, exponential function and logarithmic function.

一般的计算器都具有四则运算、开方运算等功能，而科学计算器还具有三角函数，指数函数，对数函数等运算功能。

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The principal square root function is defined using the nonpositive real axis as a branch cut.

主平方根函数是使用非正实轴作为分支切割定义的。

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Or, it could act like a square root machine.

或者，它可以表现的像个开平方根的机器。

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For his mathematical project, he compared two ways to estimate the square root of an integer, a number with no fractional parts.

VOA: special.2011.03.24

So we've seen one example of this, this idea of walking through all the integers looking for the square root.

现在计算机速度很快了，我可以把这个数字设的更大点,计算机会去很快的做这个事情。

麻省理工公开课 - 计算机科学及编程导论课程节选

And the fourth thing to notice is, I've used abstraction. I've said nothing about how I'm going to make square root.

第四件事情就是，我运用了抽象,我对怎么去求平方根没有提及。

麻省理工公开课 - 计算机科学及编程导论课程节选

Adults taking part in the poll were also asked a mathematical question: what is the square root of 64?

BBC: NEWS | UK | Education | 'Many struggle' with arithmetic

The standard deviation formula goes like this: 1.1 x the amount bet x the square root of the number of hands played.

FORBES: High Frequency Trading And Blackjack

An imaginary one is a multiple of the square root of -1.

ECONOMIST: Beno?t Mandelbrot