Creating calculations
- In the Database Structure, expand the hierarchy on which to create a calculation to show the Calculations folder.
 - 
				Right-click the Calculations folder and  select New Calculation. 
				Note: The Calculations folder is displayed only if Show Calculations is selected in the settings of the Database Structure pane.
 - Click the calculation.
 - To create the calculation, double-click elements and combine them with standard arithmetical operators. A number of functions are available from the Functions button. Place the cursor in the calculation at the point at which to insert a function and then double-click the function.