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# 2: Introduction to complex numbers

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

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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.