Ancient Calculating Tool With Beads

This page is the CodyCross answer for the clue below from Brazilian Tour, Group 771, Puzzle 5 (Sebastião Salgado).

Question

Ancient Calculating Tool With Beads

Answer

ABACUS

Word Meaning:

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

Definitions from Wiktionary.

Ancient calculating tool with beads Brazilian Tour Answers