calculator

C2 · Proficiency Countable noun Archaic

n. a person whose job was to do long and difficult math problems before computers existed.

n. a person employed to perform mathematical calculations, particularly in the era before electronic computing.

“In the old days, a calculator was a person who spent all day doing math by hand.”

“Before the advent of digital technology, human calculators were essential for plotting the complex trajectories required for early space flight.”

C1 · Advanced Countable noun Literary

n. a person who carefully plans things to get what they want, often in a cold or selfish way.

n. a person who calculates or schemes for personal advantage, often implying a lack of emotion or empathy.

“He was a cold calculator who only helped people if it benefited him.”

“The protagonist is portrayed as a brilliant but detached calculator, viewing every social interaction as a move in a larger political game.”