first calculator?

Question

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Answer 1

The first calculators were abacuses, and were often constructed as a wooden frame with beads sliding on wires. Abacuses were in use centuries before the adoption of the written Arabic numerals system and are still widely used by merchants and clerks in China and elsewhere.


The 17th century
William Oughtred invents the slide rule in 1622 and is revealed by his student Richard Delamain in 1630. Wilhelm Schickard built the first automatic calculator called the "Calculating Clock" in 1623. Some 20 years later, in 1643, French philosopher Blaise Pascal invented the calculation device later known as the Pascaline, which was used for taxes in France until 1799. The German philosopher G.W.v. Leibniz also produced a calculating machine.


The 19th century
Charles Babbage developed the concept further, leading the way to programmable computers, but the machine he built was too heavy to be operable.

Answer 2

The very first calculating devices are believed to have been tally sticks. The earliest known to modern archeology is the Lebombo bone, from 35,000 BC

Answer 3

Babbage produced a mechanical calculator, but it was preceded many centuries before by the abacus (lines of beads on strings strung on a wooden frame).