What’s the best diet for overall health and weight management? How can we change our finances to retire earlier? How can we maximize our chances of finding our soul mate? In The Calculus of Happiness, **Oscar Fernandez** shows us that math yields powerful insights into health, wealth, and love. Moreover, the important formulas are linked to a dozen free online interactive calculators on the book’s website, allowing one to personalize the equations. A nutrition, personal finance, and relationship how-to guide all in one,* The Calculus of Happiness *invites you to discover how empowering mathematics can be. Check out the trailer to learn more:

The Calculus of Happiness: How a Mathematical Approach to Life Adds Up to Health, Wealth, and Love, Oscar E. Fernandez from Princeton University Press on Vimeo.

**Oscar E. Fernandez** is assistant professor of mathematics at Wellesley College and the author of *Everyday Calculus: Discovering the Hidden Math All around Us*. He also writes about mathematics for the *Huffington Post* and on his website, surroundedbymath.com.