public FrequencyCutoffSolution(double cap, double res, double freq)
 {
     capacitor   = new ElectricalStuff.Capacitor(cap);
     resistor    = new ElectricalStuff.Resistor(res);
     sI          = SI.AutoDetermineUnit(freq);
     Capacitance = cap;
     Resistance  = res;
     Frequency   = freq;
 }
            public string ToSIString()
            {
                SI sI = SI.AutoDetermineUnit(value);

                return(sI.BaseToSIOutput(value, "F"));
            }