The first electric calculator came into existence toward the end of the 19th century.
A businessman is working out some figures with a calculator.
The calculator on the table is mine.
Something is wrong with this calculator.
The batteries in my calculator are dead.
The calculator is a wonderful invention.
I want to buy a new calculator.
Pocket calculators must not be used in the exam.
Please could I borrow your calculator to work this out?
My son wants a pocket calculator for his birthsday.
I've had my pocket calculator stolen.
And besides, Dima made sure to add, taking out his calculator and dividing 0.99 by 3,000,000, before multiplying by 100. "You do realize that you would only lose 0.0033%, right?"
A math teacher says, "With a calculator, the child can reach the right answer, but have no idea at all how he got there."
Calculation is miles easier if you have a calculator.