A math teacher says, "With a calculator, the child can reach the right answer, but have no idea at all how he got there."
Pocket calculators are as cheap to buy as a pair of socks, and as essential to thousands of British school children as a pencil and eraser.
The first electric calculator came into existence toward the end of the 19th century.
A businessman is working out some figures with a calculator.
I've had my pocket calculator stolen.
Calculation is miles easier if you have a calculator.
The calculator on the table is mine.
The calculator is a wonderful invention.
Nowadays, however, calculators can be used freely in school examinations, and already in many schools the only sound to be heard during a math exam is the sound of children tapping on their calculators.