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+
+//Optoelectronics and Fiber Optics Communication by C.R. Sarkar and D.C. Sarkar
+//Example 2.3
+//OS = Windows 7
+//Scilab version 5.5.2
+
+clc;
+clear;
+
+//given
+n1=1.6;//core and cladding refractive index of first fiber
+n2=1.44;//core and cladding refractive index of second fiber
+lamda=0.8;//wavelength of the electromagnetic wave in um
+c=(2*%pi)/lamda;//constant value propagation constant
+betamax=c*n1;//maximum value of maximum value of beta
+betamin=c*n2;//minimum value of minimum value of beta
+mprintf("\n Maximum value of Beta is= %.2f rad/um ",betamax);
+mprintf("\n Minimum value of Beta is= %.2f rad/um",betamin);
+//The answer vary due to rounding