Hi Ardus,

Thanks for giving attention to my problem but when i am using this formula
getting an value error and i am not so familier with excel formulas so dont
can understand how this formula actually works, this formula looks so
complecated to me,will you help me again to resolve the problem,

thanks again for replying,

Aarif

"Ardus Petus" wrote:

=SUMPRODUCT(--(MOD(ROW(A1:A99),2)=1),A1:A99)

HTH
--
AP

"Aarif" a écrit dans le message de
...
Hi,

a1,a3,a5.......... =a1+a3+a5.............

can i use a formula that calculate every next row.

Thanks in advance,

Aarif