It is possible to define a derived result as a simple constant, which can then be used as a parameter in the definition of another, more complicated derived result.
Several constants are defined in the default STEM Results configuration: for example, the Perpetuity Rate used to calculate the Network NPV (Perpetuity Rate) result. The default for this is 0.03, which represents 3%.
You can define other constants if you wish – see 5.17 Defining results.