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File:Apices du moyen-âge.PNG

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Each Apex received an individual name: 1 Igin, 2 Andras, 3 Ormis, 4 Arbas, 5 Quimas, 6 Caltis, 7 Zenis, 8 Temenisa, 9 Celentis. The etymology remains unclear, though some names were clearly Arab numbers. The Arabic figures reported by Gerber were reproduced almost everywhere with the greatest fantasy, as evidenced by various examples compared to the model's initial figure 4 (form imported by the Arabs at the end of the tenth century). Chaque apex reçut un nom individuel: 1 Igin, 2 Andras, 3 Ormis, 4 Arbas, 5 Quimas, 6 Caltis, 7 Zenis, 8 Temenisa, 9 Celentis, dont l'étymologie reste obscure, même si quelques noms de nombres sont clairement arabes. Les chiffres arabes rapportés par Gerber furent reproduits un peu partout avec la plus grande fantaisie, comme le montre divers exemples comparés au modèle initial du chiffre 4 (forme importée par les arabes dès la fin du Xe siècle).
Date 976 middle age, moyen-âge
Source http://www.encyclopedie-universelle.com/abaque-calcul7-moyen-age-occidental.html#ancre2106380 http://www.encyclopedie-universelle.com/images/Image346.gif
Author Unknown

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