熟悉你携带的计算器的功能的使用。

Be familiar with the functions of the calculator you bring.

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说明：小型科学计算器的功能的实现，也可以进行加减乘除等等的运算。

Small scientific calculator functions to achieve, you can also carry out arithmetic operations, etc.

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这位工程师指出：“某种程度而言，计算器的功能越多，它越有可能出故障。”

The engineer pointed out, "to some extent, the more functions a calculator has, the morelikely it is to be out of order. ""

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It is a calculator, so aid in computational efforts.

是个计算器，只是个计算机功能的帮助。

麻省理工公开课 - 固态化学导论课程节选

And if you have your calculator all set up as you love and you don't want to change it, then maybe you should just go and get an $8.00 scientific calculator that doesn't have any of the graphing functions, because you don't actually need them, so that's a better option for you, you can do that as well.

如果你的计算器里已经按照你的喜好编好了,而你又不想改动，那么或许你可以,去再买一个八美元的科学计算器,它没有任何绘图功能，因为实际上你也用不到这些，所以这对你来说是一个更好的选择，你也可以这样做。

麻省理工公开课 - 化学原理课程节选