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 Microsoft Excel > Functions > Engineering > IMSUM
 

IMSUM(inumber1 [,inumber2] [,…])

 
 Returns the sum of two or more complex numbers in x + yi or x + yj text format.

 inumber1The first complex number.
 inumber2The second complex number.

 REMARKS
 
  		• This function is only available if you have the Analysis ToolPak add-in installed.
     
  		• If any of the arguments are not in the form x + yi or x + yj, then #NUM! is returned.
     
  		• You can have a maximum of 29 arguments.
     
  		• You can use the COMPLEX() function to convert real and imaginary coefficients into a complex number.

     EXAMPLES
     
     A
    1=IMSUM("3+4i","5-3i") = 8+i
    2=IMSUM("2+2i","2+2i") = 4+4i
    3=IMSUM("3+2i","4+6i") = 7+8i
    4=IMSUM("3","5i") = 3+5i
    5=IMSUM("3+3i","3i-3") = #NUM!
    6=IMSUM("some text","5-3i") = #NUM!
    7=IMSUM("3+4i","some text") = #NUM!
    		 
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