calculator
/'kælkjuleitə/
Học thuậtThân thiện
Definition
- Noun:
- A small electronic or mechanical device used for performing mathematical operations: A "calculator" is a portable tool designed to carry out arithmetic calculations such as addition, subtraction, multiplication, and division, often with more advanced functions.
- A person who calculates or computes: An expert at performing mathematical calculations, often in a professional or scholarly context.
Examples of Usage
- Noun (Device):
- I used a calculator to check the total on the invoice.
- Most smartphones have a built-in calculator app.
- Noun (Person):
- He was a brilliant calculator, able to solve complex equations in his head.
- In the 19th century, human calculators were employed to create mathematical tables.
Advanced Usage
- "To be a human calculator": To be a person with an exceptional, almost machine-like ability to perform mental arithmetic.
- The child prodigy was a human calculator, solving problems faster than anyone with a device.
Variants and Related Words
- Calculate (verb): To determine mathematically; to compute.
- We need to calculate the average score.
- Calculation (noun): The process or result of calculating.
- His calculation of the budget was accurate.
- Calculable (adjective): Able to be calculated or estimated.
- The risks are calculable.
- Calculative (adjective): Relating to or involving calculation, often with a connotation of being shrewd.
- She made a calculative decision to invest.
Synonyms
- Computer (archaic for a person): A person who performs computations.
- Reckoner: One who calculates or computes.
- Adding machine: A simpler, often mechanical, device for addition and subtraction.
Related Phrases
- Pocket calculator: A small, handheld electronic calculator.
- He always carries a pocket calculator in his briefcase.
- Graphing calculator: An advanced calculator capable of plotting graphs and solving complex equations.
- The engineering students are required to have a graphing calculator.
Noun
- a small machine that is used for mathematical calculations
- an expert at calculation (or at operating calculating machines)