pocket calculator

noun

1. an electronic calculator small enough to be carried on one's person.

Example Sentences

Professor Fredkin, Mr. Wright said, believed that “atoms, electrons and quarks consist ultimately of bits — binary units of information, like those that are the currency of computation in a personal computer or a pocket calculator.”

From New York Times

However, everything on which I try to make a phone call is anything but a mobile - a pocket calculator, a TV remote control… nothing can connect me to the present day.

From BBC

“Figure it out for yourself,” she said, flipping me a pocket calculator.

From Literature

So, I grabbed my notebook and pocket calculator — well, smartphone calculator app — and got to work.

From Salon

He came to prominence in 1973 with the world’s first pocket calculator, before turning his sights and passions into transitioning the world of computers to the confines of the home.

From Washington Post