To set up formulas or expressions for custom columns or summaries in
                           		  DataViews, you must use the 
                           		  Advanced Editor. This editor can be accessed only
                           		  from the 
                           		  Custom Columns form or the 
                           		  Select Summaries form. 
                           		
                        
 
                        		       
                        To set up a formula or expression for a custom column or a custom
                           		  summary in a DataView: 
                           		
                        
 
                        	     
                     
                     
                     
                        - 
                           To launch the 
                              			 Advanced Editor, perform one of these actions in
                              			 the 
                              			 Custom Columns form or the 
                              			 Select Summaries form: 
                              		  
                           
                           
 
                              			            
                              
                                 
                                 - Specify a 
                                    				  Name for a new column
                                    				  and then click 
                                    				  Add. 
                                    				
                                 
 
                                 
                                 - Select an existing column/summary to edit and click 
                                    				  Advanced Editor. 
                                    				
                                 
 
                                 
                              
 
                              			            
                              When the editor opens, if you are creating a new custom
                                 				column/summary, the 
                                 				Enter Formula/Expression
                                 				field is empty. If you are editing an existing column/summary, the 
                                 				Enter Formula/Expression
                                 				field displays the current formula or expression that you selected to edit. 
                                 			 
                              
 
                              		          
                            
                           
                         
                        - 
                           To create or edit the formula or expression, you can specify the
                              			 formula or expression directly into the 
                              			 Enter Formula/Expression
                              			 field, or you can use these options in the editor to help build the formula or
                              			 expression: 
                              		  
                           
                           
 
                              			            
                              
                                 
                                 
                                 - 
                                    Enter
                                       						Formula/Expression 
                                    				                 
                                 
 
                                 
                                 - This field shows the formula or expression as it currently
                                    					 exists, if it exists. If there are errors in the formula or expression as it
                                    					 currently exists, the error is highlighted in a red box at the bottom of this
                                    					 field, and Hint/Tip text displays near the formula/expression itself. You can
                                    					 specify or edit the formula/expression directly in this field, or you can use
                                    					 the other buttons and options in this editor to help you construct the
                                    					 formula/expression. 
                                    				  
                                 
 
                                 
                                 
                                 
                                 - 
                                    Clear button 
                                    				  
                                 
 
                                 
                                 - Click this button to clear the 
                                    					 Enter
                                       						Formula/Expression field. 
                                    				  
                                 
 
                                 
                                 
                                 
                                 - 
                                    Operator buttons 
                                    				  
                                 
 
                                 
                                 - The buttons to the right of the 
                                    					 Clear button are
                                    					 standard operator buttons you can use to build the formula or expression. 
                                    				  
                                 
 
                                 
                                 
                                 
                                 - 
                                    Operands group box
                                    					 
                                    				  
                                 
 
                                 
                                 - For most uses, you only need to understand the 
                                    					  tree. The 
                                    					  tree
                                    					 is not currently used. 
                                    					 
                                    
Under 
                                       						Controls, there is
                                       						a branch for each IDO that is represented in the DataView. You can use these
                                       						branches to select the properties you want to use in your formula or
                                       						expression. Double-click a property to add it to the 
                                       						Enter
                                          						  Formula/Expression field. 
                                       					 
                                    
 
                                    				                 
                                  
                                 
                                 
                                 
                                 - 
                                    Functions group
                                    					 box 
                                    				  
                                 
 
                                 
                                 - This group box includes a variety of typical functions you
                                    					 might want to use as part of your formula or expression. Double-click a
                                    					 function in any branch of this list to add the basic function syntax into the 
                                    					  Enter
                                       						Formula/Expression field. You are prompted for the remaining
                                    					 information, both required and optional.