number-cruncher

[nuhm-ber-kruhn-cher] /ˈnʌm bərˌkrʌn tʃər/
noun, Informal.
1.
a person or thing that performs a great many numerical calculations, as a financial analyst, statistician, computer, or computer program.
Also, number cruncher.
Origin
1965-70
Related forms
number-crunching, adjective
Slang definitions & phrases for number-crunching

number-crunching

noun

Doing serious and difficult mathematics by computer: played chartered accountant for a few sessions of number crunching (1980s+ Computer)