# Set of Complex Numbers Symbol

Symbol Format Data
Code Point
U+2102
TeX
\cnums
SVG

## Usage

The set of complex numbers is represented by the Latin capital letter C presented with a double-struck font face. The set of complex numbers extends the set real numbers and is visualized in the complex plane. Typically, the symbol appears in an expression like this:

In plain language, this expression means the variable represents a number in the set of complex numbers.

## Related

The Latin capital letter C is used in mathematics as a variable. For example, it appears in geometric formulas as a variable representing the circumference of a circle. It also is used to represent the set of complex numbers, although this is usually indicated with a "double-struck" typeface.

Set of natural numbers.

Set of integers symbol.

The set of rational numbers is denoted with the Latin Capital letter Q presented in a double-struck type face.

The set of real numbers symbol is a Latin capital R presented in double-struck typeface.