number-cruncher
US /ˈnʌm.bɚˌkrʌn.tʃɚ/
UK /ˈnʌm.bɚˌkrʌn.tʃɚ/
1.
máy tính số
a person or computer that performs mathematical work involving large amounts of information or numbers:
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He gained a reputation as a smart number-cruncher who could turn data into policy.