Define the value of calculated cost elements
- 
				On the cost model details page, double-click a cost element.
				Optionally, you can also select a cost element and click the Cost Element Properties icon on the sidebar.
 - 
				Specify your arithmetic expression in the given field.
				Calculated cost elements enable you to refer to other elements' values by using the code as the variable holder.
 - 
				To use available functions in your arithmetic expression, select one of the
					these options:
				
- Abs
Returns the absolute value of a specified number
 - Ceiling
Returns the smallest integer greater than or equal to the specified number
 - Floor
Returns the largest integer less than or equal to the specified number
 - In
Returns whether an element is in a set of values
 - If
Returns a value based on a condition
 - Max
Returns the larger of two specified numbers
 - Min
Returns the smaller of two numbers
 - Round
Rounds a value to the nearest integer or specified number of decimal places
 - Truncate
Calculates the integral part of a number
 
 - Abs
 - Click Use Function.
 - To view the cost element value based on your arithmetic expression, click Evaluate Expression.
 - Click Save.