Math essentials

Stephen Slavin received his BA in economics at Brooklyn College, and his MA and PhD in economics at New York University. He taught for over 30 years at New York Institute of Technology, Brooklyn College, St Francis College (Brooklyn), and Union County College (New Jersey). His sixteen math and economics books include the bestselling All the Math You’ll Ever Need, and most recently, The Great American Economy: How Inefficiency Broke It and What We Can Do to Fix It. In addition, he has written two volumes of short stories—To the City: with Love. His blog, commenting on current economic and political issues, appears on [Valuewalk.com](http://Valuewalk.com). Perhaps Slavin’s greatest claim to…