EARLY CACULATOR Crossword Clue
EARLY CACULATOR Crossword Clue
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Crossword Puzzle Infos
An early calculator was the ABACUS, which is a device consisting of a frame with rods on which beads are moved to perform calculations. It is believed to have originated in China around 500 BC and was used throughout the world for centuries. The ABACUS was the first known calculating device and is still used today in some parts of the world.