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The very first calculating device used was the ten fingers osf a hand.
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The abacus was invented, a bead frame in which the beads are moved from left to right.
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J. Napier, a Scotsman, devised a mechanical way of myltiplying and dividing, which is how the modern slide rule works.
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John Napier, a Scotsman, devised a machanical way of multiplying and dividing, which is how the modern slide rule works.
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Henry Briggs used Napier´s ideas to produce logarithm tables which all matheaticians use today.
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The first real calculating machine appeared as a result of several people´s experiments.
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Charles Babbage designed a machine that was called "The analytical Engine"
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In 1930 the first analog computer was built by an American named Vannevar Bush
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The men responsible for this invention were Professor Howard Aiken and some people fro IBM
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These engineers built the first digital computer using parts called vacuum tubes at the University of Pennsylvania.
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He developed the idea of keeping instuctions for the coputer inside the computer´s memory.
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The first generation of computers, which used vacuum tubes, came out in 1950. Univac is an example of these computers which could perform thousands of calculations per second.
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They could perfom word ten tiemes faster than their predecessors.
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These computers could do a million calculations a second.
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Calculus, another branch of mathematics, was independently invented by both Sir isaac Newton, and Englishman, and Leibnitz, a German mathematician.
