What it means
Numbers of the form a + bi, where a and b are real and i is the square root of −1. Every polynomial equation has a solution among them.
Read aloud in real formulas
z = a + bi ∈ ℂ
Aethel says
z equals a plus b i is in the complex numbers
a complex number with real part a and imaginary part b
Typing it
- LaTeX
- \mathbb{C}
- Unicode
- U+2102
Formulas that use it
Questions
How do you say ℂ out loud?
It is usually read “the complex numbers”, and also “C”.
What does ℂ mean in maths?
Numbers of the form a + bi, where a and b are real and i is the square root of −1. Every polynomial equation has a solution among them.
How do you type ℂ?
In LaTeX, write \mathbb{C}. Its Unicode code point is U+2102.