Fernandez, Oscar E. The calculus of happiness : how a mathematical approach to life adds up to health, wealth, and love / Oscar E. Fernandez. - xii, 159 pages : illustrations ; 25 cm Includes bibliographical references and index. ISBN: 9780691168630 (hardcover : acidfree paper) LCCN: 2016044257 Subjects--Topical Terms: Mathematics--Popular works. LC Class. No.: QA93 / .F467 2017 Dewey Class. No.: 650.101/51