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diff --git a/Working_Examples/215/CH16/EX16.11/ex16_11.sce b/Working_Examples/215/CH16/EX16.11/ex16_11.sce
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+clc
+//Example 16.11
+disp('Given')
+disp('A high pass filter with cutoff frequency of 3k Hz')
+//Cutoff frequency(wc)=1/(R*C)
+//Let us select some standard value of resistor
+disp('Let R=4.7k ohm')
+fc=3*10^3;R=4.7*10^3;
+wc=2*%pi*fc
+C=1/(R*wc)
+printf("\n C=%3.2f nF ",C*10^9);
+s=poly(0,'s')
+h=syslin('c',(R*C*s)/((1+s*R*C)))
+disp(h)
+HW = frmag(h,512);
+w=0: %pi /511: %pi ;
+plot(w,HW)