True, but you’ll save lots of time if you keep the ability to do simple math in your head.
Classmates always wondered how I could finish the tests before the time limit while they weren’t even finished when the bell rang. Well, who’d have thought, entering 20*5 into your calculator takes longer than just doing it in your head? I don’t want to know how long these people take shopping groceries now that everyone has a calculator in their pocket.
True, but you’ll save lots of time if you keep the ability to do simple math in your head.
Classmates always wondered how I could finish the tests before the time limit while they weren’t even finished when the bell rang. Well, who’d have thought, entering 20*5 into your calculator takes longer than just doing it in your head? I don’t want to know how long these people take shopping groceries now that everyone has a calculator in their pocket.
20*5 sure that’s easy. But are you actually going to opt for a piece of paper to long divide 4/17 if presented with the need?