1. (noun) calculator, reckoner, figurer, estimator, computer
an expert at calculation (or at operating calculating machines)
Synonyms: ready reckoner, information processing system, computer, computing machine, electronic computer, reckoner, calculator, computing device, calculating machine, figurer, data processor, estimator
2. (noun) calculator, calculating machine
a small machine that is used for mathematical calculations
Synonyms: calculating machine, reckoner, estimator, figurer, calculator, computer
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