Inserting an arithmetic expression

Use the arithmetic operator icon to insert arithmetic expressions.

To insert an arithmetic operator:

1. Click the arithmetic operator icon in a rule statement. The following expression appears next to the first statement, preceded by the addition operator [+]:

   + <enter a string>

2. If you want to change the addition operator to another operator, click the addition operator and select the one you want from the drop-down list.
3. To complete the arithmetic operation, click <enter a string> and choose whether you want to enter a string or select an item from the drop-down list (click the arrow next to it to display the list).