Meaning of “calculation” - Learner’s Dictionary

calculation

noun uk us /ˌkælkjəˈleɪʃən/
MATHEMATICS [ C, U ]

B2 the use of mathematics to discover a number or amount:

I did some quick calculations to see if I could afford to buy it.
THINKING [ U ]

careful thought about something without any emotion

(Definition of “calculation” from the Cambridge Learner’s Dictionary © Cambridge University Press)