If you are unfamiliar with Planning, see the Oracle Hyperion Planning User's Guide, available in the EPM Documentation Library. To open this library, from the Smart View ribbon, select the arrow next to Help, and then EPM Documentation.
In Planning forms and ad hoc grids, you can use business rules to calculate data in Essbase. Some business rules prompt you to enter information, called a runtime prompt.
Launching Business Rules in Excel
Executing the Calculate Form and Calculate Currencies Business Rules