Complex Numbers from A to ...Z is an introduction to this fascinating subject, with a particular emphasis on key concepts and elementary results concerning these numbers. The reader learns how complex numbers may be used to solve algebraic equations, as well as the geometric interpretation of complex numbers and the operations involving them.

The theoretical parts of the book are augmented with rich exercises and problems at various levels of difficulty. A special feature of the book is a selection of outstanding Olympiad and other mathematical contest problems solved by employing the methods presented in the text. The work may serve as an engaging supplemental undergraduate text for an introductory course on complex numbers or number theory.