我的袖珍计算器需要一个新电池。
用袖珍计算器把这些数字加起来。
袖珍计算器仍旧存在，而且拥有一席之地。
Pocket calculators are here to stay, and they have their place.
一个简便的事例是用袖珍计算器代替计算尺。
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。
One handy example is the replacement of the slide rule by the pocket calculator.
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