This function returns the complex conjugate of a complex number.
IMCONJUGATE(complexnum)
The complexnum argument is a complex number for which to return the conjugate.
An error is returned if the complexnum argument is not in the form "x+yi" or "x+yj". For more information, refer to Complex Numbers.
Accepts number and string data. Returns string data.
IMCONJUGATE("3+5j")