Origin: Latin suffix -tion
Calculation has 4 different meanings across 1 category:
the procedure of calculating; determining something by mathematical or logical methods
"The engineer spent hours on a complex calculation to determine the bridge's load-bearing capacity."
problem solving that involves numbers or quantities
"The teacher asked the students to complete a complex calculation involving fractions and decimals."
planning something carefully and intentionally
"it was the deliberation of his act that was insulting"
The act or process of calculating.
"Her quick calculation showed that we had just enough time to reach the station before the train left."
In plain English: A calculation is figuring out an answer by doing math steps in your head or on paper.
"She made a quick calculation to see if she had enough money for lunch."
The word entered Middle English from the Latin calculatio, which originally referred to the act of counting or reckoning with small pebbles called calculus. This term traveled into modern usage while retaining its core meaning related to mathematical computation.