calculator

American  

[kal-kyuh-ley-ter] / ˈkæl kyəˌleɪ tər /

noun

1. a person who calculates or computes.

2. Also called calculating machine.  a small electronic or mechanical device that performs calculations, requiring manual action for each individual operation.

3. a person who operates such a machine.

4. a set of tables that facilitates calculation.

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calculator British  

/ ˈkælkjʊˌleɪtə /

noun

1. a device for performing mathematical calculations, esp an electronic device that can be held in the hand

2. a person or thing that calculates

3. a set of tables used as an aid to calculations

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calculator Cultural  

1. An electronic device for performing automatic mathematical computations, usually controlled by a keyboard. Some are actually small computers, with limited memory, that allow the user to use simple programs.

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Other Word Forms

Derived Forms

• minicalculator
  noun

Etymology

Origin of calculator

First recorded in 1375–1425; late Middle English, from Latin; see calculate, -tor

Example Sentences

According to the Bank of England's inflation calculator, goods costing £4.03 in 2022 would now cost about £4.70.

From BBC • Jun. 10, 2026

To know what this means for you in real dollar terms, you need a sophisticated calculator that can run a doomsday scenario for you against your retirement plan.

From MarketWatch • Jun. 9, 2026

I gripped my TI-84 graphing calculator in outrage.

From Barron's • May 1, 2026

"For Ava, her working norm is a calculator and work book, they can write their little formulas in there and that needs to follow them throughout life in the school system," Lucy said.

From BBC • Apr. 15, 2026

"I'm afraid I don't know how else to explain it. I've always said to myself that if a little pocket calculator can do it why shouldn't I?"

From "Matilda" by Roald Dahl