it is u39 that will recive the sum changed it to the fist one below would not
work

"Jacob Skaria" wrote:

If V39 will always have numerics then
=IF(V39,Q39*144/V39,"")

'if V39 can contain text and numerics then
=IF(AND(ISNUMBER(V39),V390),Q39*144/V39,"")

same with R39


If this post helps click Yes
---------------
Jacob Skaria


"msao" wrote:

i have a cell that draws information from the sheets that have not been
filled in yet and i recive #N/A i would like to recive nothing in that cell.
=SUM(Q39*144/V39)
In a nother sell i recive #DIV/0! The formula is
=((0.109136*(Q39^1.9))/R39)^(1/5.02)
if the imformation is not avalible would like it blank any help with this
would be great