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Longman Dictionary of Contemporary English
pocket calculator
noun
EXAMPLES FROM CORPUS
▪ A pocket calculator will do most of the work.
▪ It occupied an entire building and was similar in capacity to the programmable pocket calculator that one now buys at the stationers.
▪ Multiply the length by 2.7 using a pocket calculator and that gives the number of needles to use for seaming.
▪ Out comes my pocket calculator to work out if I have an exact number of repeats.
▪ Sir Clive, 51, also invented the pocket calculator, home computer and the digital watch.
▪ The appeal has been shamelessly to the pocket calculator, not the heart; to the purse, not to pride.
▪ Then I pulled out my pocket calculator.
WordNet
pocket calculator

n. a calculator small enough to hold in the hand or carry in a pocket [syn: hand calculator]

Usage examples of "pocket calculator".

These were unusual texts to see marching across the display of a pocket calculator, particularly as they had been translated from the Chinese via the Japanese and seemed to have enjoyed many adventures on the way.

It was much like an ordinary pocket calculator, except that the LCD screen was a little larger than usual, in order to accommodate the abridged judgements of King Wen on each of the sixty-four hexagrams, and also the commentaries of his son, the Duke of Chou, on each of the lines of each hexagram.

From his pocket, Edelman removed what appeared to be a small pocket calculator with a series of copper bars on its back that corresponded to those in the recess atop the box.

At each of the two open positions, a harried-looking girl was totting up purchases on a battery-powered pocket calculator.

Kate studied the clipboard and the pocket calculator on the floor.