Question

1. List the early calculating devices.
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Answer 1

Answer:

Abacus

Pascal's Calculator

Stepped Reckoner .

Arithmometer

Comptometer and Comptograph

The Difference Engine

Analytical Engine

The Millionaire

hope it helps

Answer 2

Answer:

Abacus (ca. 2700 BC) ...

Pascal's Calculator (1652) ...

Stepped Reckoner (1694) ...

Arithmometer (1820) ...

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

The Difference Engine (1822) ...

Analytical Engine (1834) ...

The Millionaire (1893)