number-cruncher       
noun [ C ] uk/ˈnʌm.bəˌkrʌn.tʃər/ us/ˈnʌm.bɚˌkrʌn.tʃɚ/
 运算奇才,超级电脑
a person or computer that performs mathematical work involving large amounts of information or numbers
  He gained a reputation as a smart number-cruncher who could turn data into policy. 他获得了运算奇才的美名,可以将数据转化为政策。 
 The PC's original use was as a stand-alone number-cruncher. 这台电脑 最初的用途是作为独立的超级运算器使用。 
 See: number-crunching
 - More examples
 - His current role is as the number-cruncher with a locally-based law firm.
 - She rapidly established a reputation as a capable number-cruncher.
 - He is top number-cruncher at the Pentagon.
 - The banks feel reassured to have a number-cruncher in charge.