# Manuals/calci/IMSUB

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**IMSUB()**

- Parameters is of the form .
- IMSUB(), returns the difference between two complex numbers.

## Description

- This function gives the difference of the two complex numbers.
- In , Parameters is of the form .
- & are the real numbers. imaginary unit ..
- Consider two complex numbers z1 and z2 are of the form and .
- The difference of two complex number is: where and are real numbers.
- We can use COMPLEX function to convert real and imaginary number in to a complex number.

## ZOS

- The syntax is to calculate the difference of the complex numbers in ZOS is .
- Parameters is of the form

- For e.g.,IMSUB("4+5i","9-3i")

## Examples

- IMSUB("6+4i","5+3i")=1+1i
- IMSUB("3+4i","6+7i")=-3-3i
- IMSUB("8","9+10i")=-1-10i
- IMSUB("5+7i","3")=2+7i

## Related Videos

## See Also

## References