Question

A _ is an ancient device that is used for arithmetic calculation ​

Answer 1

Answer:

Abacus

Explanation:

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Answer 2

The ancient device used in this context is called ABACUS.

• The abacus is a hand-held instrument having a fixed frame with firmly strung wire and movable beads.
• It is manually operated to perform mathematical and arithmetical calculations.
• The moving beads symbolize the digits or numerals that are utilized in calculations and counting.
• There are also special numerical combinations and formulas employed for making a calculation using beads.
• Abacus beads are used to compute a variety of arithmetic operations that include adding numbers, subtracting numbers, multiplying and dividing numbers, and finding out square and cube roots.
• This technology is also beneficial to persons who are blind and cannot calculate using a calculator or pen.
• Hence, an abacus is an old device for making arithmetic computations.