using check box option, how do I add or substract
 

using the check box option. I want to add and substract using this option,
what would be the function or formula to use?

using check box option, how do I add or substract
 

What exactly is "the check box option" that you add or subtract using?

BTW - in general, it's easier to read your posts if you include the
entire sentence in the body, rather than continuing it from the subject
line.


In article ,
"Matt" wrote:

using the check box option. I want to add and substract using this option,
what would be the function or formula to use?