Use =SUM(D3,E5) instead of =D3+E5, for example.

" wrote:

I'm trying to create a count of two times selected from a drop down
which defaults to the value "Select Time"

so the cell that counts the two times says "#VALUE!" when the drop
down is set to "Select Time". How do I get it to ignore "Select Time"
and only count when there is a numaric value in the cell?