late 14c., "mathematician, one who calculates," from Latin calculator, from calculatus, past participle of calculare "to reckon, compute," from calculus (see calculus). Of mechanical adding machine contraptions, from 1784. Of electronic ones, from 1946.
Electronic calculator uses 18,000 tubes to solve complex problems ["Scientific American" headline, June 1946]
实用例句
1. He wonders why the digits on his calculator slope to the right.
他不明白为什么他的计算器上面的数字向右倾斜。
来自柯林斯例句
2. A pocket calculator only works to eight decimal places.
袖珍计算器只能计算到小数点后8位数。
来自柯林斯例句
3. Cross-check your answers with a calculator.
用计算器核对一下你的答案。
来自《权威词典》
4. a pocket calculator with LCD
液晶袖珍计算器
来自《权威词典》
5. My bank manager furrowed his brow, fingered his calculator and finally pronounced "Aha!"
