
Chapter 4. Building the base scenario: Stage 1 87
Figure 4-23 Input Items on wizard page
4.6 Applying formatting and logic
Once you have all the visible items on the form, you can apply formatting, calculations and
logic.
Unlike paper forms, XFDL forms can perform sophisticated checks and calculations while the
user fills out the form. This can prevent mistakes right at the source and provide a high level of
comfort while filling out the form.
4.6.1 Creating a field calculation
In this section we create a field calculation.