# 2: Introduction to complex numbers

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

- Isaiah Lankham, Mathematics Department at UC Davis
- Bruno Nachtergaele, Mathematics Department at UC Davis
- Anne Schilling, Mathematics Department at UC Davis

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