n. 1.计算者。 2.计算机；计算机操纵者。 3.(使计算方便的)一览表。 4.有打算的人，不落空的人；谋略家。 短语和例子 an electronic calculator电子计算机。
a small machine that is used for mathematical calculations 同义词：calculating machine,
an expert at calculation (or at operating calculating machines) 同义词：reckoner, figurer, estimator, computer,
An electronic calculator is a small, portable, often inexpensive electronic device used to perform both basic and complex operations of arithmetic. Modern calculators are more portable than most computers, though most PDAs or mobile phones are comparable in size to handheld calculators and may soon replace them.
例句与用法
1.
He imports calculators , computers and robots . 他进口计算器，电脑和机器人。
2.
The sale of hand-held electronic calculators has increased at a significant rate . 袖珍电子计算器的销售量增加很快。
3.
A contact with a lightning calculator inspired him to study mathematics . 同快速计算器的一次接触，激励他去研究数学。
4.
One handy example is the replacement of the slide rule by the pocket calculator . 一个简便的事例是用袖珍计算器代替计算尺。
5.
In both cases, dozens of clerks had to do the tedious computing on mechanical calculators . 在这两种情形下，都需要几十位职员用机械计算器进行冗长的计算。
6.
We conclude that hand-held electronic calculator sales should be approximately 446, 600, 000 units by 1979 . 我们推测出，1979年袖珍计算器的销售量大约为446，600，000只。
7.
Finally, when in orbit round the earth, the calculators calculate exactly when to fire the retro-rocket to effect re-entry . 最后，在围绕地球的轨道运行的时候，计算机会精确地计算出应该在什么时候发射制动火箭以重返大气层。
8.
You may bring a calculator with you to the exam 你可以携带一台计算器参加考试。
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