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noun
Someone able to perform complex and lengthy calculations.
is a specific kind of: calculator, computer, estimator, figurer, reckoner.
A computer capable of performing a large number of mathematical operations per second.
is a specific kind of: computer, computing device, computing machine, data processor, electronic computer, information processing system.
Dutch: getallenkraker
Find more on number cruncher elsewhere: etymology - rhymes - Wikipedia.
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