File:Présentation du cubarithme dans la revue Recherches et inventions.jpg
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[edit]DescriptionPrésentation du cubarithme dans la revue Recherches et inventions.jpg |
Français : Pierre Villey, professeur à la Faculté des lettres de Caen et secrétaire général de l'Association Valentin Haüy, présente le cubarithme dans un article de la revue paru le 15 octobre 1926. Imprécis sur la date de création et les circonstances de l'invention, il explique les avantages du cubarithme, encore utilisé au XXIe siècle, pour l'apprentissage du calcul pour les aveugles. |
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Bibliothèque nationale de France Extrait d'un article publié à l'origine dans Recherches et inventions, bulletin de l'Office national des recherches scientifiques et industrielles et des inventions du ministère de l'Instruction publique, Paris, France. |
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creator QS:P170,Q2093969 |
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[edit]Public domainPublic domainfalsefalse |
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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