| GrapeCity.CalcEngine.Functions Namespace > CalcCumPrincFunction Class : Evaluate Method | 
| Overload | Description | 
|---|---|
| Evaluate(Object[]) | Returns the System.Double cumulative principal paid on a loan between start_period and end_period. | 
| Evaluate(Object[],Object) | Returns the result of the function applied to the arguments. (Inherited from GrapeCity.CalcEngine.Functions.CalcFunction) | 
Target Platforms: Windows Server 2012, Windows RT