What does "abacist" mean?

One who uses an abacus in casting accounts; a calculator.

What is a synonym for "abacist"?

Common synonyms include: accountant, actuary, bookkeeper, calculator, computer, figurer.

/ˈæb.ə.sɪst/ noun

noun ·Rare ·Advanced level

Noun

From Middle English abaciste, from Medieval Latin abacista, from abacus + -ista (“-ist”).