cal‧cu‧la‧tor S3 / kælkjəleɪtə, kælkjʊleɪtə $ -ər / 名词 [可数名词]

a small electronic machine that can add, multiply etc 

COLLOCATIONS

动词

use a calculator The children are taught to use calculators from a young age.

work something out on a calculator Work it out on a calculator if you can’t do it in your head.

add something up on a calculator I added the cost up on a calculator.

types of calculator

an electronic calculator Candidates may use electronic calculators in the exam.

a pocket calculator (= a small one you can carry easily ) I took out my pocket calculator and added up the figures.

a desk calculator (= a big one for using on a desk ) He had a big fancy desk calculator.

a hand-held calculator (= a small one that you hold in your hand ) The calculations can be done using a hand-held calculator.