Monoformula. Text-book of geometry followed by treatises of plane and spherical trigonometry and approximate mensuration. This book, "Monoformula. Text-book of geometry followed by treatises of plane and spherical trigonometry and approximate mensuration", by J.L. S?guin, is a replication of a book originally published before 1893. 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...