Description of the illustration expression_editor.gif

The image shows the Expression editor. The Validate button checks the expression for correct syntax. The left curly arrow and right curly arrow performs and undo and redo, respectively. The Expression editor box is “Revenue Metrics”.“Revenue”/“Revenue Metrics”.“Billed Units”, which calculates the unit price. The Expression Elements pane displays folder, variables, and other objects and expressions that can be used to create the code. An arithmetic toolbar is along the bottom. "Filter Expression Elements" and "Categories to display" buttons are to the right of Expression Elements. Cancel and Save buttons are to the right of the toolbar.