Complex Numbers

Type it

Ways to write the Complex Numbers symbol
UnicodeU+2102
LaTeX\mathbb{C}
HTML entityℂ
Characterℂ

Meaning

The set of all numbers a + bi where a and b are real and i² = −1. Every polynomial equation has a solution in it. Compare with Real Numbers and Imaginary Unit.

How to read it

z ∈ ℂ

is read “z is a complex number”.

More Numbers and Constants symbols