Difference between revisions of "History of Modern Computation"
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<td>3000 AD+</td><td>The Abacus is produced, and uses similar techniques for arithmetic operations as modern computers.</td> | <td>3000 AD+</td><td>The Abacus is produced, and uses similar techniques for arithmetic operations as modern computers.</td> | ||
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<td>1623</td><td>Wilhelm Schickard invented the first mechanical calculating machine</td> | <td>1623</td><td>Wilhelm Schickard invented the first mechanical calculating machine</td> | ||
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<td>1642</td><td>Blaise Pascal invented the Pascaline, which was the world's first automatic calculating machine. It could perform simple addition and subtraction.</td> | <td>1642</td><td>Blaise Pascal invented the Pascaline, which was the world's first automatic calculating machine. It could perform simple addition and subtraction.</td> | ||
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<td>1671</td><td>Gottfried von Leibniz invented the Step Reckoner, a device which, as well as performing additions and subtractions, could multiply, divide, and evaluate square roots by series of stepped additions.</td> | <td>1671</td><td>Gottfried von Leibniz invented the Step Reckoner, a device which, as well as performing additions and subtractions, could multiply, divide, and evaluate square roots by series of stepped additions.</td> | ||
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Revision as of 18:39, 22 August 2009
| 3000 AD+ | The Abacus is produced, and uses similar techniques for arithmetic operations as modern computers. |
| 1623 | Wilhelm Schickard invented the first mechanical calculating machine |
| 1642 | Blaise Pascal invented the Pascaline, which was the world's first automatic calculating machine. It could perform simple addition and subtraction. |
| 1671 | Gottfried von Leibniz invented the Step Reckoner, a device which, as well as performing additions and subtractions, could multiply, divide, and evaluate square roots by series of stepped additions. |
