| GrapeCity.CalcEngine.Functions Namespace > CalcYearFracFunction Class : Evaluate Method | 
| Overload | Description | 
|---|---|
| Evaluate(Object[]) | Calculates the fraction of the year represented by the number of whole days between two dates (the start_date and the end_date). | 
| 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