名詞 calculator:

1. a small machine that is used for mathematical calculations
   同義詞：calculating machine
2. an expert at calculation (or at operating calculating machines)
   同義詞：reckoner, figurer, estimator, computer

1. The desk calculator use a roll of paper.
   這臺(tái)臺(tái)式計(jì)算機(jī)使用卷紙。
2. The calculator needs a new battery.
   計(jì)算器需換新電池。
3. Cross-check your answer by using a calculator.
   用計(jì)算器核對(duì)一下你的答案。
4. Who's swiped my calculator?
   誰把我的計(jì)算器偷走了?

cal.cu.la.tor

n.（名詞）
One that calculates, as:
計(jì)算器：用于計(jì)算的東西，如：
An electronic or a mechanical device for the performance of mathematical computations.
計(jì)算器：一種電子裝置或機(jī)械裝置，用于完成數(shù)學(xué)計(jì)算
A person who operates such a machine or otherwise makes calculations.
計(jì)算者：操縱上述機(jī)器或執(zhí)行計(jì)算的人
A set of mathematical tables used to aid in calculating.
計(jì)算圖表：一套數(shù)學(xué)圖表，用于輔助計(jì)算