Ancient Device for Calculating by Sliding Beads

This page is the CodyCross answer for the clue below from Working From Home, Group 1224, Puzzle 5 (Communication).

Question is: Ancient Device for Calculating by Sliding Beads

and the answer is: ABACUS

Word Meaning:

ABACUS — (historical, obsolete) A table or tray scattered with sand which was used for calculating or drawing.

Definitions from Wiktionary.

Ancient Device For Calculating By Sliding Beads - Working From Home CodyCross Answers | CodyCross Solutions