
# 2: Introduction to complex numbers

[ "article:topic-guide", "vettag:vet4", "targettag:lower", "authortag:schilling", "authorname:schilling", "complex numbers" ]

$$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$$

$$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$$

Let $$\mathbb{R}$$ denote the set of $$\textbf{real numbers}$$, which should be a familiar collection of numbers to anyone who has studied Calculus. In this chapter, we use $$\mathbb{R}$$ to build  the equally important set of so-called complex numbers.

### Contributors

Both hardbound and softbound versions of this textbook are available online at WorldScientific.com.