# Manuals/calci/COMPLEX

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**COMPLEX (Real,Imaginary,Suffix)**

- is the real part of the complex number.
- is the imaginary part of the complex number.
- is the imaginary unit of the complex number.
- COMPLEX(), converts real and imaginary coefficients into a complex number.

## Description

- COMPLEX function converts the real and imaginary coefficients into a 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 squring it gives a negative result.
- For e.g. . Because a negative times a negative is positive.
- A complex number is a number is in the form , where and are real numbers and is the imaginary unit. Where
- In , here is the real part of the complex number, is the imaginary part of the complex number and is the imaginary unit of a complex number like or .
- To mention and , we must use the lower case only
- In a complex number real part is denoted by & imaginary part is denoted by .
- COMPLEX returns the error value, when and are non-numeric.
- should be either or , otherwise it shows error value.
- 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.
- COMPLEX(5,2) gives
- COMPLEX(5,2,"j") gives

## ZOS

- The syntax is to calculate COMPLEX in ZOS is
- is the real part.
- is the imaginary part.
- is imaginary unit which is either "i" or "j".
- E.x: COMPLEX(-1..1,10..11,"j")

## Examples

COMPLEX(real,imaginary,suffix) | rn | in | sf | RESULT |
---|---|---|---|---|

COMPLEX(5,6) | 5 | 6 | 5+6i | |

COMPLEX(5,2,"j") | 5 | 2 | j | 5+2j |

COMPLEX(2,0,"i") | 2 | 0 | i | 2+0i |

COMPLEX(0,-4,"i") | 0 | -4 | i | 0 + -4i |

COMPLEX(5,"j") | 5 | j | #N/A (INVALID IMAGINARY COEFFICIENTS) |

## Related Videos

## See Also

## References