calculation
[kalkyuhleyshuh n]

noun
the act or process of calculating; computation.
the result or product of calculating: His calculations agree with ours.
an estimate based on the known facts; forecast: Her calculation of the building costs proved quite accurate.
forethought; prior or careful planning.
scheming selfishness.
Origin of calculation
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for calculational
Historical Examples of calculational
Horrocks was possessed of great ability in calculational astronomy also.
AstronomyDavid Todd
calculation
noun
Collins English Dictionary  Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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calculation
Online Etymology Dictionary, © 2010 Douglas Harper