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+//===========================================================================
+//chapter 8 example 8
+
+clc;clear all;
+
+//variable declaration
+L     = 1;		//Load in kW
+S     = 10.2;		//speed of the disc in rpm 
+T1       = 12;		//time in hours
+M    = 600;		//meter constant in revolutions per kWh
+
+//calculations
+T2     = T1*60;	//time in minutes
+E      = L*T1;	//actual energy consumed in 12 hours in kWh
+N     = S*T2;	//Revolutions made by the disc in 12 hours
+E1     = N/(M);	//Energy consumption recorded by the meter 
+e    = E1-E;		//error in kWh
+
+//result
+mprintf("error = %3.2f kWh more",e);