资料来源 : WordNet®

pocket calculator
     n : a calculator small enough to hold in the hand or carry in a
         pocket [syn: {hand calculator}]

资料来源 : Free On-Line Dictionary of Computing

pocket calculator
     
         A small battery-powered digital electronic device
        for performing simple arithmetic operations on data input on a
        keypad and outputting the result (usually a single number) to
        a simple {LCD} or other display.
     
        The most sophisticated programmable calculators are really
        {pocket computers} which are limited to handling numerical
        data only.
     
        (1996-12-23)