CALCULATOR OF OLD Crossword Clue

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Crossword Puzzle Infos
The term CALCULATOR OF OLD refers to an ABACUS, which is a device used for counting and performing basic arithmetic operations. It consists of a frame with rods on which beads are strung, and it has been used since ancient times in many parts of the world. Abacuses were the primary calculating tool before the invention of mechanical calculators and computers.
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