initial commit / add all books

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diff --git a/3014/CH2/EX2.27/Ex2_27.sce b/3014/CH2/EX2.27/Ex2_27.sce
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+clc 

+

+ 

+//given that

+l = 1e-8 // width of potential well in cm

+h = 6.63e-34 // Plank constant

+m = 9.1e-31 // mass of electron in Kg

+printf("\nExample 2.27")

+E_1 = (h)^2/(8*m*(l*1e-2)^2) // Calculation of energy of ground state in Joule

+E_1_eV = E_1/1.6e-19 // Calculation of energy in eV

+E_2 = (2)^2*h^2/(8*m*(l*1e-2)^2) // Calculation of energy of first state in Joule

+E_2_eV = E_2/1.6e-19 // Calculation of energy in eV

+del_E = E_2_eV - E_1_eV // calculation of difference between first state and ground state

+printf("\n Difference between first state \n and ground state energies is %f eV.\n\n\n",del_E);

+// Answer in book is 113.04 eV

+

diff --git a/3014/CH2/EX2.27/Ex2_27.txt b/3014/CH2/EX2.27/Ex2_27.txt
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+

+Example 2.27

+ Difference between first state 

+ and ground state energies is 113.213170 eV.