Question

name the all calculating's diveces​

Answer 1

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Below are the 8 mechanical calculators before modern computers were invented.

1:Abacus (ca. 2700 BC) ...

2:Pascal's Calculator (1652) ...

3:Stepped Reckoner (1694) ...

4:Arithmometer (1820) ...

5:Comptometer (1887) and Comptograph (1889) ...

6:The Difference Engine (1822) ...

7:Analytical Engine (1834) ...

8:The Millionaire (1893)

Answer 2

Answer:

Below are the 8 mechanical calculators before modern computers were invented.

1)Abacus (ca. 2700 BC)

2)Pascal's Calculator (1652)

3)Stepped Reckoner (1694)

4)Arithmometer (1820)

5)Comptometer (1887) and Comptograph (1889)

6)The Difference Engine (1822)

7)Analytical Engine (1834)

8)The Millionaire (1893)

Explanation:

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