public Frequency ToUnit(FrequencyUnit selectedUnit) => new Frequency(ToTheOutSide(selectedUnit.Unit), selectedUnit);
public double As(FrequencyUnit ReturnInThisUnit) => (double)ToTheOutSide(ReturnInThisUnit.Unit);
public Frequency(int value, FrequencyUnit selectedUnit) : base(value, selectedUnit.Unit) { }
public static Frequency From(double value, FrequencyUnit unit) => new Frequency(value, unit);
public Frequency(decimal value, FrequencyUnit selectedUnit) : base(value, selectedUnit.Unit) { }