/// <summary>
/// Berechnet den Zinssatz
/// </summary>
/// <returns></returns>
public static double CalculateRate(CompoundInterestItem compoundInterestItem)
{
return(((Math.Pow((double)(compoundInterestItem.FinalCapital / compoundInterestItem.SeedCapital), (1d / (compoundInterestItem.Years * (int)compoundInterestItem.CompoundInterestIntervall))) - 1) * 100 * (int)compoundInterestItem.CompoundInterestIntervall) / 100);
}
/// <summary>
/// Berechnet die Dauer (Jahre)
/// </summary>
/// <returns></returns>
public static double CalculateYears(CompoundInterestItem compoundInterestItem)
{
return(Math.Log((double)compoundInterestItem.FinalCapital / (double)compoundInterestItem.SeedCapital) / Math.Log(Math.Pow(1 + compoundInterestItem.Rate / (100 * (int)compoundInterestItem.CompoundInterestIntervall), (int)compoundInterestItem.CompoundInterestIntervall)));
}
/// <summary>
/// Berechnet das Endkapital
/// </summary>
/// <returns>Endkapital</returns>
public static decimal CalculateFinalCapital(CompoundInterestItem compoundInterestItem)
{
return(compoundInterestItem.SeedCapital * (decimal)(Math.Pow((1 + compoundInterestItem.Rate / (100d * (int)compoundInterestItem.CompoundInterestIntervall)), compoundInterestItem.Years * (int)compoundInterestItem.CompoundInterestIntervall)));
}
