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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 
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)

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