Use the Expression Line to apply and display aggregate functions and computing fields. For each item in a report, you can display its JavaScript syntax and modify it to fit your own needs.
The Expression line includes the following components:
Data Function—Shows available data functions that can be applied to table columns.
X —Cancels and removes a formula. This icon is displayed only when you enter syntax.
÷—Accepts and applies the formula. This icon is displayed only when you enter syntax.
Edit bar—Used to display, enter, and edit a JavaScript expression.