Devices

Devices have been used to aid computation for thousands of years, probably initially in the form of a tally stick.

The Antikythera mechanism, dating from about the beginning of the first century BC, is generally considered to be the earliest known mechanical analog computer, and the earliest known geared mechanism.

Comparable geared devices did not emerge in Europe until the 16th century,[10] and it was not until 1645 that the first mechanical calculator capable of performing the four basic arithmetical operations was developed.

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