=SUM(IF(ISNUMBER(A1:A100),A1:A100))

which is an array formula, it should be committed with Ctrl-Shift-Enter, not
just Enter.
Excel will automatically enclose the formula in braces (curly brackets), do
not try to do this manually.
When editing the formula, it must again be array-entered.

--
HTH

Bob

(there's no email, no snail mail, but somewhere should be gmail in my addy)

"Brad" wrote in message
...
I guess I am spinning my wheels this morning trying different formula
combinations of Sumif with Isnumber and other combinations to sum all of
the numeric values in a column of cells containing either numbers or #N/As.
My thanks in advance for any suggestions.

Cheers! Brad

What formula would I use to sum a column of values like this?

6.19
#N/A
#N/A
2.97
#N/A
#N/A
5.22