Curta

Abstract: List of figures List of tables Acknowledgements List of abbreviations Introduction 1. Slavic ethnicity and the ethnie of the Slavs: concepts and approaches 2. Sources for the history of the early Slavs (c. 500-700) 3. The Slavs in early medieval sources (c. 500-700) 4. The Balkans and the Danube limes during the sixth and seventh centuries 5. Barbarians on the sixth-century Danube frontier: an archaeological survey 6. Elites and group identity north of the Danube frontier: the archaeological evidence 7. 'Kings' and 'democracy': power in early Slavic society Conclusion: the making of the Slavs Appendices References Index.

Abstract: The Austrian engineer Curt Herzstark invented the world-renowned mechanical pocket calculator Curta. The books and the papers on the history of computing mention two models, Curta 1 and Curta 2. In November 2015 original drawings and patent documents on a multiple Curta were discovered in Switzerland. This device is supposed to be the world’s smallest mechanical parallel calculator.