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+//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2 
+//Example 7.1
+//Scilab Version : 6.0.0    ; OS : Windows
+
+clc;
+clear;
+
+
+helium_atomic_mass=4.002603;              //Atomic mass of Helium in amu
+mp=1.007277;                              //Atomic mass of Proton in amu
+mn=1.008665;                              //Atomic mass of Neutron in amu
+me=0.00055;                               //Atomic mass of Electron in amu
+del_m=2*mp+2*me+2*mn-helium_atomic_mass;  //Mass Defect in amu
+Be=del_m*931;                             //Helium Binding Energy in MeV
+Be_molecule=Be/4;                         //Helium Binding Energy per Nucleon in MeV
+
+
+printf("\nBinding energy per nucleon is %.3f MeV",Be_molecule);