To add an operator to a formula:
If it is not open, open the graphical business rule to which you want to add an operand.
If the BR Language tab is not selected, select it in the bottom of the left frame of the Analytic Administration Services window.
Expand the Formulas folder. Select the type of formula to add, and double-click the formula or drag it to the desired location in the business rule on the Graphical tab.
On the Formula tab, double-click the Operator toolbar button in the Custom Toolbar.
A plus sign is inserted to the right of the last component in the formula. (The plus sign is the default operator.)
In the Select Operator drop-down list, select another operator if you do not want to use the plus sign.
The following table describes the available operators for formulas and data conditions.