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+clear//
+
+//Variables
+
+PDmax = 500 //Maximum Power dissipation at 25 degree Celsius (in milli-watt)
+DF = 2.28 //derating factor (in milli-watt per degree Celsius)
+T = 70 //Temperaure (in degree Celsius)
+
+//Calculation
+
+PDmax70 = PDmax - DF * (T - 25) //Maximum Power dissipation at 70 degree Celsius (in milli-watt)
+
+//Result
+
+printf("\n Maximum power dissipation at 70 degree Celsius is %0.0f mW." ,PDmax70)