calculator

名词 calculator:

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

1. The desk calculator use a roll of paper.
   这台台式计算机使用卷纸。
2. The calculator needs a new battery.
   计算器需换新电池。
3. Cross-check your answer by using a calculator.
   用计算器核对一下你的答案。
4. Who's swiped my calculator?
   谁把我的计算器偷走了?

cal.cu.la.tor

n.（名词）
One that calculates, as:
计算器：用于计算的东西，如：
An electronic or a mechanical device for the performance of mathematical computations.
计算器：一种电子装置或机械装置，用于完成数学计算
A person who operates such a machine or otherwise makes calculations.
计算者：操纵上述机器或执行计算的人
A set of mathematical tables used to aid in calculating.
计算图表：一套数学图表，用于辅助计算