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What is Abacus? What was its main purpose in early days?​

User Chrisguitarguy
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2 Answers

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Abacus is the first counting device. Its main purpose is to count numbers /digits.

User James Riordan
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Answer:

An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame.

It was used for calculations such as addition, subtraction, multiplication and division.

User Don Rolling
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