CHINESE CALCULATORS Crossword Clue
CHINESE CALCULATORS Crossword Clue
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Crossword Puzzle Infos
Chinese calculators, also known as abaci, are tools used for counting and performing basic arithmetic operations. They originated in China and were used as early as the 2nd century BC. Abaci consist of a set of beads or counters arranged on rods or wires, and are still used in some parts of the world today.