RUDIMENTARY CALCULATORS Crossword Clue

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Crossword Puzzle Infos
Abaci are rudimentary calculators that were used in ancient times. They consist of a board with beads or stones that can be moved to represent numbers and calculations. Abaci were used for basic arithmetic operations such as addition, subtraction, multiplication, and division. They were also used to solve problems in geometry, astronomy, and other sciences.
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