Where was the first calculator invented?

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2009-09-15 22:35:09

The first calculator dates back to 2700 BC with the invention of

the Abacus, invented in Mesopotamia.

In the 1940's and 1950's, the first mainframe computers were

invented, which led towards the hand-held calculators we know


In the mid-1960's, desktop calculators were coming to fruition, and

in 1970, the first "Pocket" calculator was invented in Japan by

Sanyo, called the ICC 0081.

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