pocket calculator

基本解釋

My pocket calculator needs a new battery .
我的袖珍計(jì)算器需要一個(gè)新電池。
One handy example of how classroom practices can change is the replacement of the slide rule by the pocket calculator.
能夠怎樣改革課堂實(shí)習(xí)的一個(gè)簡(jiǎn)便的事例是用袖珍計(jì)算器代替計(jì)算尺。
My father, who was trained in engineering at M. I. T. in the slide-rule era, often lamented the way the pocket calculator, for all its convenience, diminished my generation's math skills.
我的父親，在幻燈片統(tǒng)治時(shí)代，他在麻省理工學(xué)院接受工程教育，經(jīng)常感歎由於袖珍計(jì)算器帶來(lái)的便利性，削弱了我這一代人的數(shù)學(xué)能力。

The pocket calculator and digital watch were three years old.
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