The Calcuation Expression feature of the Reserach Wizard is one of the more advanced functions of the program as it allows a user to compare or combine different fundamental items, creating custom calcuations.
Each Item has a numerical value associated with it. You may have seen screens that use calculations. Those Items will start with [C]: and then the expression.
In order to quickly be able to determine which Item Number coorelates to which Item, below is a listing of all Items in the DBCM database with their numerical values, cooresponding Categories and Item Name.