这个袖珍计算器需用两节乾电池。

This pocket calculator needs two batteries.

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 .

要算出总数来可能会花费好几个小时，所以我得求助于袖珍计算器了。

It will take hours to work the sum out, so I have to turn to my pocket calculator.

要算出总数来可能会花费好几个小时，所以我得求助于袖珍计算器了。

It will take hours to work the sum out , so I have to turn to my pocket calculator .

适用于汽车音响 、 盒式收录机 、 袖珍计算器等电路.

Used in car audio, cassette tape recorders, pocked calculator circuits, etc.