## COMPLEXNUMBER

### Complex number

A**complex number**is a number that can be expressed in the form, where and are real numbers and is the imaginary unit, which satisfies the equation . In this expression, is the

*real part*and is the

*imaginary part*of the complex number. Complex numbers extend the concept of the one-dimensional number line to the two-dimensional complex plane by using the horizontal axis for the real part and the vertical axis for the imaginary part. The complex number can be identified with the point in the complex plane. A complex number whose real part is zero is said to be purely imaginary, whereas a complex number whose imaginary part is zero is a real number.

*The above text is a snippet from Wikipedia: Complex number*

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### complex number

#### Noun

- A number of the form
*a + bi*, where*a*and*b*are real numbers and*i*denotes the imaginary unit

*The above text is a snippet from Wiktionary: complex number*

and as such is available under the Creative Commons Attribution/Share-Alike License.

and as such is available under the Creative Commons Attribution/Share-Alike License.