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This function returns the common logarithm of a complex number.
IMLOG10(complexnum)
The complexnum argument is a complex number for which to return the common logarithm.
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.
IMLOG10("2+5j")