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Successor to the abacus and slide rule, this little device has rescued millions from the slow torture that is long division!

Today's Lesson


  • A calculator is a small electronic device for working with (e.g., adding, subtracting, multiplying, or dividing) numbers.
  • calculator とは、数字を処理(例えば、足し算、引き算、掛け算、割り算)する小さな電子機器、つまり、電卓のことです。



  1. I'll need a calculator to add up these figures.
  2. The successful candidate must be able to demonstrate the ability to use a desktop calculator quickly and accurately.
  3. I bought one of those pocket calculators the size of a credit card, but it's so small I have trouble using the buttons.
  4. Isn't this a neat clipboard? Look, it has a built-in calculator on the clip!

英会話レッスンHave a terrific weekend - times ten!