pocket calculator

American  

noun

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

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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

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

Sinclair was an inventor with an impressive list of electronic products to his name, some, like his pocket calculator, were quite successful, while others, like his Sinclair C5 “electric trike” vehicle, were decidedly not.

From The Verge