InoLab: Reading a Temperature Sensor

const int tempPin = 0;
int tempVal;
float volts;
float tempC;
float tempF;
void setup()
{
Serial.begin(9600);
}
void loop()
{
tempVal = analogRead(tempPin);
Serial.print("TempVal = ");
Serial.print(tempVal);
Serial.print(" **** ");
volts = tempVal * 3.3;
volts /= 1023.0;t
Serial.print("volts: ");
Serial.print(volts, 3);
Serial.print(" **** ");
tempC = (volts - 0.5) * 100 ;
Serial.print(" degrees C: ");
Serial.print(tempC);
Serial.print(" **** ");
tempF = (tempC * 9.0 / 5.0) + 32.0;
Serial.print(" degrees F: ");
Serial.println(tempF);
delay(1000);
}