'Declaration Public Shared Function IPmt( _ ByVal Rate As Double, _ ByVal Per As Double, _ ByVal NPer As Double, _ ByVal PV As Double, _ Optional ByVal FV As Double, _ Optional ByVal Due As DueDate _ ) As Double
public static double IPmt( double Rate, double Per, double NPer, double PV, double FV, DueDate Due )
Financial Class Financial Members