On Fri, 26 Feb 2010 23:01:01 -0800, Are wrote:

Dear All,

Please help me how to sum aaray and devide them with not null value?
ex :
D E
2 110 0
3 110 102
4 80 0
5 66 0
6 82 75
7 70 0

result = 0.93 ( =(E3/D3)+(E6/D6))

Thanks in advance

=SUMPRODUCT(E2:E7/D2:D7)
--ron