Hi, Let T(F) be the temperature on a Fahrenheit scale and T(C) the temperaute on a Celcius scale. To convert T(F) to T(C) you use the following equation: (T[F] - 32)/1.8 = T(C) T(C) = 0.555 T(F) - 1.777 That is a straight line (y = ax + b) and that means that there is a liner relation between ...