abacist
noun
- one who uses an abacus for calculation
Wiktionary
Pronunciation: /ˈæb.ə.sɪst/ / /ˈæb.ə.səst/ / /ˈæb.ə.kəst/
noun
Etymology: From Middle English abaciste, from Medieval Latin abacista, from abacus + -ista (“-ist”).
- One who uses an abacus in casting accounts; a calculator.