...This skilful calculator mistakes a consequence for a principle... 
P. J. Proudhon 「What is Property?」
...But he fought it off, becoming again less the feelinghuman and more the cold calculator of advanced science...
Various 「Astounding Stories of Super-Science, June, 1930」
...An ingenious calculator had discovered that the pressure of the log upon the shoulder was wont to average 125 lbs...
Marcus Clarke 「For the Term of His Natural Life」
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