Robert A. Brechner was Professor Emeritus, School of Business, at Miami Dade College -- the largest multi-campus community college in the country. For 42 years he taught business math, principles of business, marketing, advertising, public relations, management, and personal finance. He was Adjunct Professor at Florida Atlantic University, Boca Raton; International Fine Arts College, Miami; and Florida International University School of Journalism and Mass Communications. He consulted widely with industrial companies. In addition to CONTEMPORARY MATHEMATICS, Professor Brechner authored numerou...