The Sumario compendioso of Brother Juan Diez the earliest mathematical work of the New world This book, "The Sumario compendioso of Brother Juan Díez the earliest mathematical work of the New world", by Juan Díez, is a replication of a book originally published before 1921. 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. This book was created using print-on-demand technology. Thank you for supporting classic literature.