To create a numeric expression

Numeric expressions operate on numeric properties and are useful for performing calculations within expressions.

1. Select the command for which you want to create an expression.
2. In the expression area, do one of the following:
   • Enter a numeric function manually.
   • Click Math Function and select the function you want.
3. Click Property. In the Property list, select the property for the function.
4. Specify any arguments required by the function.

   For example, if you are rounding off the length of an item to two decimal places, the expression looks like this one:

   

   Numeric expressions operate on numeric properties or values.

   If you are truncating the value for cost of space per square foot to a specified number of digits, the expression looks like this one:

   Trunc(COST_PSF, 2)

   If you are checking the sign of an elevation value, the expression looks like this one:

   Sign(ELEVATION)

   For help with any expression element, see Creating Expressions - Reference.

5. Click OK to apply the expression.