calculator
英 ['kælkjʊleɪtə]
美 ['kælkjuletɚ]
英語の語源
- calculator (n.)
- 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]
例文
- 1. He wonders why the digits on his calculator slope to the right.
- 彼はなぜ彼の計算機の上の数字が右に傾いているのか分からない。
- 2.A pocket calculator only works to eight decimal places.
- ポケット計算機は、小数点以下8桁までしか計算できません。
- 3.Cross-check your answers with a calculator .
- 計算機で答えをチェックしてください。
- 4.a pocket calculator with LCD
- 液晶ポケット計算機dl>
- 5.My bank manager furrowed his brow, fingered his calculator and finally pronounced "Aha!「
- 私の銀行社長は眉間に鍵をかけて電卓をいじっていたが、最後にやっと「あっ！」と声をかけた。