L'arithm?tique de Jean Trenchant, departie en trois liures. Ensemble vn petit discours des changes, auec l'art de calculer aux Getons. This book, "L'arithm?tique de Jean Trenchant, departie en trois liures", by Jean Trenchant, is a replication of a book originally published before 1602. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.