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+//Variable declaration:
+//From example 9.1:
+R = 0.0398                      //Theral resistance (°F.h/Btu)
+Btu = 3.412                     //Btu/h in a watt
+C = 1.8                         //Change in degree fahrenheit for a degree change in celsius
+K = 1                           //Change in degree celsius for a unit change in Kelvin
+
+//Calculation:
+Rc = R*Btu/C                    //Thermal resistance in degree cesius per watt (°C/W)
+Rk = Rc/K                       //Thermal resistance in Kelvin per watt (K/W)
+
+//Result:
+printf("The thermal resistance in °C/W is : %.3f  °C/W.",Rc)
+printf("The thermal resistance in K/W is : %.3f  K/W.",Rk)