InfoPath Dev

Thanks Hilary. I didn't even think of a rule. I've tried to modify yours to act like I need mine to. It looks like I need to have the fields I need to add or subtract entered in the control before I enter text in the control with the action. The flow of the form would be to enter in the '2016 (Deficit) / Surplus' number and ...

I'm newer than new when it comes to InfoPath and formulas. I've been 'selected' to update an existing form because I happen to show interest...not talent. I need to do the following: If [Textbox1] 0, Sum (-[Textbox2]-[Textbox3]-[Textbox4]+[Textbox5]+[Textbox6]+[Textbox7] Any help would be much appreciated. I don't ...