calculator (n.)youdaoicibaDictYouDict[calculator 词源字典]
late 14c., "mathematician, one who calculates," from Latin calculator, from calculatus, past participle of calculare "to reckon, compute," from calculus (see calculus). Of mechanical adding machine contraptions, from 1784. Of electronic ones, from 1946.
Electronic calculator uses 18,000 tubes to solve complex problems ["Scientific American" headline, June 1946]
[calculator etymology, calculator origin, 英语词源]