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diff --git a/3705/CH2/EX2.1/Ex2_1.sce b/3705/CH2/EX2.1/Ex2_1.sce
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+
+clear//
+
+//Variable Declaration
+//Axial Forces in lb in member AB, BC and CD
+P_AB=2000 
+P_BC=2000
+P_CD=4000
+//Other Variables
+E=29*10**6 //Modulus of Elasticity in psi
+//Length of each member in inches
+L_AB=5*12
+L_BC=4*12
+L_CD=4*12
+//Diameter of each member in inches
+D_AB=0.5
+D_BC=0.75
+D_CD=0.75
+
+//Calculation
+//Area Calculation of each member in square inches
+A_AB=(%pi*D_AB**2)/4
+A_BC=(%pi*D_BC**2)/4
+A_CD=(%pi*D_CD**2)/4
+
+//Using relation delta=(PL/AE) to compute strain
+//As stress in Member CD is compression
+delta=(E**-1)*((P_AB*L_AB*A_AB**-1)+(P_BC*L_BC*A_BC**-1)-(P_CD*L_CD*A_CD**-1))
+
+//Result
+printf("\n The elongation in the total structure is %0.5f in",delta)