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Miloslav Ciz 2023-10-08 13:15:21 +02:00
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computer.md
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@ -43,7 +43,7 @@ Here is a list of notable computers.
| --------------------------------------- | ---- | ------------------------------------------------- | ------------------------------------------------- |
| [brain](brain.md) |-500M | 86+ billion neurons | biological computer, developed by nature |
| [abacus](abacus.md) |-2500 | | one of the simplest digital counting tools |
| Antikythera mechanism | -125 | ~30 gears, largest with 223 teth | 1st known analog comp., by Greeks (mechanical) |
| Antikythera mechanism | -125 | ~30 gears, largest with 223 teeth | 1st known analog comp., by Greeks (mechanical) |
| [slide rule](slide_rule.md) | 1620 | | simple tool for multiplication and division |
| Shickard's calculating clock | 1623 | 17 wheels | 1st known calculator, could multiply, add and sub.|
| [Arithmometer](arithmometer.md) | 1820 | 6 digit numebrs | 1st commercial calculator (add, sub., mult.) |