calculator vs figurer

calculator and figurer both are nouns.

Word	Noun	Adjective	Verb	Adverb
calculator	Yes	No	No	No
figurer	Yes	No	No	No

As nouns, calculator and figurer are synonyms defined as:

calculator and figurer: an expert at calculation (or at operating calculating machines)

Other synonyms of calculator include computer, estimator, reckoner.

calculator (noun)	figurer (noun)
a small machine that is used for mathematical calculations; can be mechanical or electronic	an expert at calculation (or at operating calculating machines)
an expert at calculation (or at operating calculating machines)