Kary
Where does the cell that "self-calculate"s get its data from?
To assist in giving you a possible solution please tell us what formula
appears in the cell. The solution may be as simple as highlighting (with a
colur or box) a single cell on your worksheet.

"Kaey" wrote:

I have a cell that will self-calculate that tax amount after the total
invoice amount has been entered. How can I create a box to pop up for the
user to enter a different tax amount if this needs changing?