Syntax
[-]
Data Types of the Arguments
Integer, Number, Length, Area, Volume, or Angle (Must be identical for all arguments)
Data Type of the Result
Same as Arguments’ Data Type
Example
Subtract a Length-type expression from another Length-type expression.
The result is also a Length (its unit depends on Calculation Units for Length: here, meters).
Expression
Suspended Ceiling level - Raised Floor level
Result
2.2
Note
In this example, the arguments are both lengths. The resulting value is also a length.