Piero Borgi (Venice, 1424âÂÂ1484) was a versatile Italian mathematician. Borgi is the author of several of the best Italian books on mathematics written in the 15th century. Borgi's books include , written in 1483; Arithmetica, written in 1484, a book on arithmetic; and Il Libro de Abacho de Arithmetica e De Arte Mathematiche. The later book was so successful that it went through seventeen editions.