tempcalc

 public double tempcalc(double voltage)
        {
            double temp;
            double cprv = 0.033;
            double zero = 1.65;
            int x = 50;

            if (voltage == 0)
            {
                temp = x * (-1);
            }
            else if(voltage == zero)
            {
                temp = 0;
            }
            else
            {
                temp = (voltage / cprv) - x;
            }
            return temp;
        }