# calculation

Pronunciation: say "kal-kyuh-LAY-shuhn" US /ˌkælkjəˈleɪʃən/, AUS /ˌkælkjəˈlæɪʃən/; UK say "kal-kyoo-LAY-shuhn" /ˌkælkjuˈleɪʃən/

## Noun

1. The act or process of finding an answer through mathematical operations.
   - Simple: The work of figuring out a number or amount using math.
   - _The calculation of the rocket's trajectory required several hours of work._
   - _Careful calculation is essential when splitting a restaurant bill among friends._
2. The number or answer produced by a process of calculating.
   - Simple: The number or answer you get after doing math.
   - _The engineer's calculation indicated the beam could hold the load._
   - _Several calculations confirmed the same final figure._
3. An estimate or reckoning of something, based on the information available.
   - Simple: A guess about a number or amount, based on what you know.
   - _By her calculation, the project would take about six months to finish._
   - _The general's calculation of enemy strength proved far too low._
4. An expectation about an outcome, formed from the surrounding circumstances.
   - Simple: What you expect to happen, based on the things around you.
   - _The investor's calculation was that the market would recover within a year._
   - _Every calculation about the weekend pointed to clear skies for the festival._
5. The mental process of working through sequences of possible moves and responses without touching the pieces.
   - Simple: Thinking through possible moves and replies in your head before you play them.
   - _Deep calculation allowed her to see the winning combination six moves ahead._
   - _Under time pressure, his calculation broke down and he missed the threat._

## Origin

This word came through Middle English "calculation," borrowed from Latin "calculatio" (stem "calculationis"). It can also be analyzed as "calculate" plus the suffix "-ion."

Source: DictionaryAI, https://dictionaryai.com/define/calculation (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).