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diff --git a/2471/CH8/EX8.6/Ex8_6.sce b/2471/CH8/EX8.6/Ex8_6.sce
new file mode 100755
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+++ b/2471/CH8/EX8.6/Ex8_6.sce
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+clear ;
+clc;
+// Example 8.6
+printf('Example 8.6\n\n');
+printf('Page No. 234\n\n');
+
+//given
+T_lamp = 12*10^3;// Output for the tungsten filament lamp in lm per 10^3 W
+F_tube = 63*10^3;// Output for the fluorescent tubes in lm per 10^3 W
+Save = F_tube - T_lamp;//  in W
+printf('Energy saving is %.0f lm per 10^3 W \n',Save)
+
+Save_pcent = (Save/F_tube)*100;
+printf('Energy saving per cent is %.0f ',floor(Save_pcent))