To use Advanced Logic in your form, head over to the Logic&Calculator tab that this on the left of the Calc tab and on the right of the Notification tab.
From there, you can see a diagram of the Logic of the form. When creating a form, Formaloo will automatically show this display. You can zoom in and zoom out to see the Logic structure better.
Click on one of the options if you wish to see its conditions. The entire display of the diagram is the basic Logic.
To edit or to add Logic and to use its full potential, click on the Advanced Logic button on the left of the diagram.