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Excel IMPRODUCT Function

Excel IMPRODUCT function
Summary 

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 from real and imaginary parts.

Purpose 
Get product of complex numbers
Return value 
Product as complex number
Syntax 
=IMPRODUCT (inumber1, [inumber2], ...)
Arguments 
  • inumber1 - Complex number 1.
  • inumber2 - [optional] Complex number 2.
Usage notes 

The Excel IMPRODUCT function returns the product of one or more complex numbers. Complex numbers are is input as text, and must be in the form x + yi or x + yj. The result of IMPRODUCT is a complex number as text.

For example:

=IMPRODUCT("1+2i",3) // returns "3+6i"
=IMPRODUCT("1+2i","1+2i") // returns "-3+4i"

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

=IMPRODUCT(B6,C6)

Notes:

  • Only lowercase "j" and "i" are accepted by IMPRODUCT. Other values will result in the #NUM error.
  • IMPRODUCT can handle up to 255 numbers
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 IMPOWER function
Excel IMPOWER Function

The Excel IMPOWER function returns a complex number raised to a given power. The complex number must be in the form x + yi or x + yj. Use the COMPLEX function to create a complex number from...

Good links 
Microsoft IMPRODUCT function documentation

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