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| | History of Computing - Pre Historic Era 100.000 bc - 1438 bc |
 | | This chapter deals with the era that human kind learned to count, supported by objects like bones and pebbles It took thousands of years to come to the more philosophical concepts of numeric systems, the zero and mathematical methods. |
 | | These bones, which were discovered in western Europe, date from the Aurignacian period 20,000 to 30,000 years ago and correspond to the first appearance of Cro-Magnon man. |
 | | Also of interest was a piece of bone dating from around 8,500 BC, discovered in Africa, that appeared to have notches representing the prime numbers 11, 13, 17, and 19. |
| www.thocp.net /timeline/0000.htm (2521 words) |
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