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| mechanisch | elektronisch | Taschenrechner |
Ein Blick am Rechendinosaurier...
| Abacus | Addiator | Addiator |
| erfunden in Aegypten | Bezique | Gaudais |
| 3000 v. Chr. | ? | ? |
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| Triplex | Rechenschieber | Rechenscheibe |
| Multi-divi | Aristo | Loga 30T |
| 1938 | 1963 | 1968 |
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| Arithmographe | Arithmographe | Addiator | Addiator |
| Record | Magic Brain | Arithma | Exacta |
| 1920 (ab 1888) | 1981 | 1985 | ? |
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| AddoMeter | AddoMeter | Chadwick | Résulta | Stima |
| ? | Lightning | Mini-Calculator | BS-9 | ? |
| 1947 | 1947 | 1969 | 1954 | 1932 |
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| Master | Master | Curta | Curta | Radio Shack |
| ? | 702 | Modell 1 | Modell 2 | Digital Computer |
| ? | ? | 1965 | 1965 | 1977 |
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