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diff --git a/2409/CH12/EX12.2/Ex12_2.sce b/2409/CH12/EX12.2/Ex12_2.sce
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+
+//Variable Declaration
+
+D=3  //Antenna size(m)
+f=12 //Operating Frequency(GHz)
+n=0.55 //Aperture efficiency
+
+//Calculation
+
+G=n*(10.472*f*D)**2  //Antenna Gain
+G=10*log10(G)  //Converting Antenna gain to dB
+
+//Result
+printf("The Antenna gain with given parameters is %.1f dB", G)