To create a numeric expression (Procedure)

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Autodesk Expression Builder > Creating Expressions For Geospatial Features > Creating Expressions > Creating Numeric Expressions > 

Creating Numeric Expressions

Concept

Procedure

To create a numeric expression

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 might look like this:

   

   Numeric expressions operate on numeric properties or values.

   If you are truncating the value for population estimates to a specified number of digits, the expression might look like this:

   Trunc(POPULATION, 5)

   If you are checking the sign of a profit/loss value, the expression might look like this:

   Sign(PROFIT_LOSS)

5. Click OK to apply the expression.