# Manuals/calci/COMPLEXNUMBER

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COMPLEXNUMBER (String)

• is any complex number.

## Description

• This function is showing the complex number.
• A complex number is a combination of a real and an imaginary number.
• A number which is positive or negative, rational or irrational or decimals are called real numbers.
• An Imaginary number is a number that when squaring it gives a negative result.
• For e.g. {-4}^2 =16. Because a negative times a negative is positive.
• A complex number is a number is in the form , where a and b are real numbers and i is the imaginary unit.
• Where .
• In , is any complex number.
• A Complex number whose real part is zero is said to be purely imaginary.
• A Complex number whose imaginary part is zero is a real number.
• In that cases we have to assign '0' for that part.When we assigning without real value it is showing "0" for real value in the complex number.
• In the same way it is assigning "0" for imaginary value in the complex number.

## Example

1. COMPLEXNUMBER("3+4i") = 3+4ⅈ
2. COMPLEXNUMBER("8-12i") = 8-12ⅈ
3. COMPLEXNUMBER("43") = 43+0ⅈ
4. COMPLEXNUMBER("-6i") = 0-6ⅈ

Complex Number