1710, "carrying out calculations," present-participle adjective from calculate (v.). Meaning "given to forethought and shrewdly or selfishly seeking advantage, scheming," is attested from 1802.
calculating (n.)
1710, "calculation," verbal noun from calculate (v.). Calculating-machine "mechanical computer, machine which performs mathematical calculations" is from 1830 [Babbage].
the most calculating and selfish men in the community
calcite
calcitrant
calcium
calculate
calculated
calculating
calculation
calculator
calculous
calculus
Calcutta
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