This book is written to be a convenient reference for the working scientist, student, or engineer who needs to know and use basic concepts in complex analysis.

In spite of being nearly 500 years old, the subject of complex analysis is still today a vital and active part of mathematics. There are important applications

A quick and easy-to-use introduction to the key topics in complex variables, for mathematicians and non-mathematicians alike.

This book provides a systematic introduction to functions of one complex variable. Its novel feature is the consistent use of special color representations –