Complex Numbers Essentials Math Workbook with Answers

This introduction to complex numbers by experienced teacher and author, Chris McMullen, Ph.D., begins with the arithmetic of complex numbers and works its way up to roots of complex numbers and polynomials, and includes a variety of fascinating problems such as, “What is the square root of the imaginary number i?” Prerequisite: basic trigonometry. (No calculus is needed to use this workbook.)