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
Buddhism in the West that he adopted the Buddhist religion. The Buddhist tradition considers Menander as a great benefactor of the Dharma, along with Ashoka. The "Mahavamsa" mentions that during Menander's reign, a Greek elder monk named Mahadharmaraksita led 30,000 Buddhist monks from "the Greek city of Alexandria" (possibly Alexandria on the Caucasus) to Sri Lanka for the dedication of a stupa showing that Greeks took an active part in Indian Buddhism during this period. Greco-Buddhist styles continued to be influential during the Kushan empire. Buddhist gravestones from the Ptolemaic period have also been found in Alexandria in Egypt decorated with depictions of the