Crossword Genius

Very early calculators (8)

Ross

I believe the answer is:

abacuses

(Other definitions for abacuses that I've seen before include "Counters" , "they calculated" , "outdated calculators" , "Calculating devices" , "old computing devices" .)

I've seen this clue in The Irish Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.