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+//Chapter 2, Example 2_3, page 37
+clc
+
+//Initialisation
+s=0.08                                     //medium conductivit
+w=10**7                                    //angular velocity
+e=8.85*10**-7                              //permitivity if free space
+u=14                                       //medium permeability
+uo=4*3.14*10**-7                           //permeability of free space
+pi=3.14
+
+//Calculation
+f=w*(2*pi)**-1                          //frequency
+a1=sqrt(f*pi*s*uo)                       //attenuation
+b=a1                                       //phase
+d=complex(a1,b)
+y=d                                       //propagation constants
+z=log10(0.5)/(-log10(exp(1))*2*a1)          //Depth of the land
+
+//Result
+printf("(1) Attenuation = %.1f Np/m",a1)
+printf("\n    Phase = %.1f Rad/m",b)
+printf("\n    Propagation constant = %.1f",real(y))
+printf("\n                           + %.1f j rad/m",imag(y))
+printf("\n(2) Depth of land = %.2f m",z)