Which of the following is the first mechanical calculator
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Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as supervisor of taxes in Rouen.
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Explanation:
Blaise Pascal invented a mechanical calculator with a sophisticated carry machanism in
1642.
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