Alexander of Villedieu
Alexander of Villedieu was a French author, teacher and poet, who wrote text books on Latin grammar and arithmetic, everything in verse. He was born around 1175 in Villedieu-les-Poêles in Normandy, studied in Paris, and later taught at Dol in Brittany. His greatest fame stems from his versified Latin grammar book, the ''Doctrinale Puerorum''. He died in 1240, or perhaps in 1250. He was a Franciscan and a Master of the University of Paris.His ''Doctrinale puerorum'', a versified grammar, soon became a classic. It was composed around 1200, and was all written in ''leonine hexameters''. Even after several centuries, with the advent of printing, it appeared in countless editions in Italy, Germany and France. It was based on the older works of Donatus and Priscian.
Alexander also wrote a short tract on arithmetic called ''Carmen de Algorismo''—''the Poem about Arithmetic'', which also achieved a wide distribution. A typical line from his Carmen de Algorismo, runs like this:
:''Extrahe radicem semper sub parte sinistra''
Wherein he instructs his students: "always extract the square root by starting from the left". The poem is not very long, only a few hundred lines, and summarizes the art of calculating with the new style of ''Indian dice'', or Talibus Indorum, as he calls the new Hindu-Arabic numerals. Provided by Wikipedia
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by Alexander de Villa Dei 1170-1250
Published 1500
“...Alexander de Villa Dei 1170-1250 [Doctrinale]...”Published 1500
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by Boccardo, Gianfrancesco
Published 1506
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“...Alexander de Villa Dei 1170-1250...”Published 1506
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by Cochlaeus, Johannes 1479-1552
Published 1514
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“...Alexander de Villa Dei 1170-1250...”Published 1514
kostenfrei
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by Torrentinus, Hermannus 1450-1520
Published 1514
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“...Alexander de Villa Dei 1170-1250...”Published 1514
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