Returns the difference between 2 complex numbers.
Syntax:
IMSUB(complexnum1, complexnum2)
Returns complexnum1 - complexnum2, where complexnum1 and complexnum2 are complex numbers as text, or references to cells containing complex numbers as text.
Example:
IMSUB("7+5i", "3+2i")
returns 4+3i as text.
IMSUM(A1, A2)
where cell A1 contains the text 3+4i and cell A2 contains 1+2i, returns 2+2i as text.