Question

The first calculating device which on the principle of place value notation​

Answer 1

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The first calculating device which on the principle of place value notation

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 the Roman abacus the board was given grooves to facilitate moving the counters in the proper files. Another form, common today, has the counters strung on wires. The earliest known calculating device is probably the abacus

Answer 2

Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in the mid 17th century.