In my C column I have some data which looks like this : 0(1), 1(0), 0(0), 2(1), 3(0), 0(0), etc.
I'm trying to sum up the numbers on the LEFT of the parenthesis. This example would nomally return 5.
I tried using this fomula: =sumproduct(--(LEFT(C1:C30),1))) but i get a #VALUE ! error.
Right...