From Longman Dictionary of Contemporary Englishcalculationcal‧cu‧la‧tion /ˌkælkjəˈleɪʃən/ ●●○ noun 1 [countable usually plural, uncountable]COUNT/CALCULATE when you use numbers in order to find out an amount, price, or value Dee looked at the bill and made some rapid calculations.by somebody’s/some/many calculations By some calculations, the population will reach eight million soon.2 [countable, uncountable]CAREFUL careful planning in order to get what you want, especially without caring about the effects on other people → miscalculation political calculation3 [uncountable] when you think carefully about what the probable results will be if you do something → miscalculationCOLLOCATIONSverbsdo/make a calculationThe children should be able to do that calculation in their heads.perform a calculation formal (=do one)Computers can perform calculations very quickly.adjectivesa simple calculationA simple calculation will show that these figures are incorrect.a rough calculation (=not very detailed or exact)I made a few rough calculations of how much it would cost.a quick/rapid calculationHe did a rapid calculation.a detailed calculationYour report must be supported by detailed calculations.complex calculationsComputers can be used to handle complex calculations.mathematical calculationspages of mathematical calculationssomebody's calculations are right/correct/accurateFortunately his calculations were accurate.somebody's calculations are wrong/inaccurateSome of our calculations were wrong. Examples from the Corpus

calculation• Mickey sat at the kitchen table doing calculations on a scratch pad.• The tape will keep running back and forth through the device so long as further calculations need to be performed.• Now his calculations were for naught.• In contrast Stanley's usually made the inspired calculations of a good invitation side out for a scoring spree.• Once all the necessary calculations have been made the experiment can proceed.• The methods of calculation for the Cornfield confidence intervals and the population and relative attributable risks are given by Breslow and Day.• This type of calculation would take several hours without a computer.• According to Skogström, the charging structure is still based on calculations for commercial vessels.• According to our calculations, 2000 jobs will be lost.• Leibniz plans a system of characters capable of such precise calculation that mental error would be equivalent to an error of computation.by somebody’s/some/many calculations• About $ 3 by our calculations.• Estimates of world oil reserves have increased steadily since the 1970s, more than doubling by some calculations.• Such factors required rectifying by the appropriate calculations.