Assuming your numbers are in A1:A6 use an array formula such as:

=PRODUCT(IF(A1:A6<0,A1:A6))

Enter the formula with Ctrl+Shift+Enter not just Enter.

Tyro

"Steve" wrote in message
...
I'm a pretty savvy excel user but am at a loss to how to do this, I'm
embarrassed to say. I have a column of numbers and want to multiply all
of
the non-zero numbers. For example, if the column is:

1.056
.9978
.795
0
0
.256

The answer would be .21444430233 (1.056 * .9978 * .795 * .256). I want a
formula that would work for any column of numbers. Thanks for any help.