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Excel IMSUB Function

Excel IMSUB function
Summary 

The Excel IMSUB function returns the difference between two complex numbers. Complex numbers must be in the form x + yi or x + yj. Use the COMPLEX function to create complex numbers

Purpose 
Get difference between two complex numbers
Return value 
Difference between complex numbers as text
Syntax 
=IMSUB (inumber1, inumber2)
Arguments 
  • inumber1 - Complex number 1.
  • inumber2 - Complex number 2.
Version 
Excel 2003
Usage notes 

The IMSUB function gets the difference between two complex numbers in the form x + yi or x + yj. For example:

=IMSUB("1+2i",3) // returns "-2+2i"
=IMSUB("3+4i","1+2i") // returns "4i"

In the example shown, the formula in D6, copied down, is:

=IMSUB(B6,C6)
Related functions 
Excel COMPLEX function
Excel COMPLEX Function

The Excel COMPLEX function creates a complex number with given real and imaginary coefficients. COMPLEX returns a text result in the form x + yi or x + yj.

Excel IMREAL function
Excel IMREAL Function
The Excel IMREAL function returns the real coefficient of a complex number in the form x + yi or x + yj.
Excel IMAGINARY function
Excel IMAGINARY Function
The Excel IMAGINARY function returns the imaginary coefficient of a complex number given in the form x + yi or x + yj.
Excel IMSUM function
Excel IMSUM Function

The Excel IMSUM function returns the sum of two or more complex numbers. The complex numbers must be in the form x + yi or x + yj. Use the COMPLEX function to create a complex number from real...

Excel IMPRODUCT function
Excel IMPRODUCT Function

The Excel IMPRODUCT function returns the product of one or more complex numbers. The complex number must be in the form x + yi or x + yj. Use the COMPLEX function to create a complex number...

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