"(" & Abs ( D100 + D99 ) & "," & Abs ( D100 - D99 ) & ")"
Select text as your return type
Sorry I mislead that a little.
I didn't mean as (9,3) literally, I'm looking to make the results be a List using the list function
List ( Abs ( D100 + D99 ) ; Abs ( D100 - D99 ) )