"Surveys a wide variety of ways that mathematics can be used to improve decision making and general well-being." --Chris Wilson, TIME.com "Readers are sure to get a sense of how content from algebra and precalculus can help inform us about important decisions that are almost universally relevant." --Jason M. Graham, MAA Reviews "Brilliant. Once you realise it all boils down to maths, you will wake up happier, wealthier and healthier tomorrow morning, and we have Oscar E. Fernandez to thank for that." --Nick Smith, Engineering and Technology " The Calculus of Happiness .

demonstrate[s] how mathematics can yield powerful insights into everyday life." --Helen Thomson, New Scientist "Fernandez generates such enthusiasm [for studying math] by considering topics that people do want to learn more about--food, money, other people--and skillfully weaving solid mathematical concepts within these topics." --Sandra L. Arlinghaus, Mathematical Reviews.