Basic Details
Word: Calculator
Part of Speech: Noun
Meaning: A device or tool used for performing mathematical calculations.
Synonyms: Computator, Adding machine
Antonyms: Estimator, Guess
Idioms and Phrases
- By the calculator: To do calculations in a precise or accurate manner. Example: "We ensured to get every penny right by the calculator for the budget."
- Calculator in hand: Ready to calculate or work through numbers. Example: "With her calculator in hand, she was ready to tackle the tough maths test."
Usage Examples
Example 1: Emma used her calculator to figure out how much money she needed for her school trip.
Example 2: The teacher reminded the students to bring their calculators for the mathematics exam.
Example 3: Julian programmed his calculator to solve complex equations quickly.
Fun Fact
The first mechanical calculators were invented in the 17th century and were used for arithmetic computations, paving the way for all modern calculating devices we use today.
Famous Quote
"Mathematics is the language in which God has written the universe." - Galileo Galilei
Multiple Choice Questions (MCQs)
1. What does "calculator" mean?
a) A cooking tool
b) A device for mathematical calculations
c) A writing instrument
d) A game
Answer: b) A device for mathematical calculations
2. Which of these is a synonym for "calculator"?
a) Estimator
b) Computator
c) Colouring book
d) Ruler
Answer: b) Computator
3. What is an antonym of "calculator"?
a) Adding machine
b) Estimator
c) Arithmetic device
d) Number tool
Answer: b) Estimator
4. Which sentence uses "calculator" correctly?
a) The calculator danced on the table.
b) She used a calculator to find the total cost of her shopping.
c) He ran his calculator in the race.
d) The calculator made a delicious cake.
Answer: b) She used a calculator to find the total cost of her shopping.
5. Which idiom relates to using a calculator for accurate calculation?
a) Calculator in hand
b) Cold as ice
c) The early bird catches the worm
d) The grass is always greener
Answer: a) Calculator in hand
