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+// Scilab Code Ex6.14: Page-229 (2014)
+clc; clear;
+h = 6.62e-034;    // Planck's constant, Js
+h_bar = h/(2*%pi);    // Reduced Planck's constant, Js
+c = 3.00e+008;    // Speed of light, m/s
+e = 1.602e-019;    // Energy equivalent of 1 eV, J
+m = 0.511e+006;    // Energy equivalent of electron rest mass, eV
+V0 = 10;    // Height of potential barrier, eV
+E = 5;    // Energy of the incident electrons, eV
+L = 0.8e-009;    // Width of the potential barrier, m
+k = sqrt(2*m*(V0 - E))*e/(h_bar*c);    // Schrodinger's constant, per m
+T = (1 + V0^2*sinh(k*L)^2/(4*E*(V0 - E)))^(-1);    // Transmission electron probability
+printf("\nThe fraction of electrons tunneled through the barrier = %3.1e", T);
+
+// Result
+// The fraction of electrons tunneled through the barrier = 4.4e-008 
+\ No newline at end of file