void setup() 
{
  Serial.begin( 9600);
  Serial.println( "------------------------------");
  Serial.println( "Mit int:");

  int U_3_3V = 3305;
  int Akku_Strom_MW = 450;
  float Akku_I_ADC;

  int intdiv = U_3_3V / 4096;
  Serial.print( "      U_3_3V / 4096 = ");
  Serial.println( intdiv);

  //  Akku_I_ADC = (Akku_Strom_MW / (U_3_3V / 4096));
  //  Akku_I_ADC = Akku_Strom_MW / 0;
  Serial.print( "      Akku_Strom_MW / 0 = ");
  Serial.println( "durch null teilen !");

  Serial.println( "------------------------------");

  Serial.println( "Mit float:");
  float Voltage = 3.305;
  float BatteryWatt = 0.450;
  float BatteryIADC = BatteryWatt / Voltage * 4096.0;
  Serial.print( "      ");
  Serial.println( BatteryIADC);

  Serial.println( "------------------------------");
}

void loop() 
{ 
}