Transmission of the Greek Classics on music ("De institutione musica libri quinque", unfinished) contributed to medieval education. "De arithmetica", begins with modular arithmetic, such as even and odd, evenly even, evenly odd, and oddly even. He then turns to unpredicted complexity by categorizing numbers and parts of numbers. His translations of Euclid on geometry and Ptolemy on astronomy, if they were completed, no longer survive. Boethius made Latin translations of Aristotle's "De interpretation" and "Categories" with commentaries. These were widely used during the Middle Ages. In the Western Provinces (what today is considered the Western Europe's heartland), the collapsing Roman empire lost many Greek manuscripts
Ptolemy of Mauretania recover money from Ptolemy. Ptolemy is a minor character in the novels by Robert Graves, "I Claudius " and "Claudius the God". He appears in Stephanie Dray's novel "Daughters of the Nile", which marked the end of the trilogy focusing on Ptolemy's mother. Throughout Morocco and Algeria, statues have survived that belonged to Ptolemy. There is a nude statue of him, dated from the 1st century, which is on display at the Rabat Museum in Morocco. His sculpted images are of a youthful appearance and particularly those first portraits created during the reign of JubaII virtually show his relations to