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diff --git a/3864/CH9/EX9.4/Ex9_4.sce b/3864/CH9/EX9.4/Ex9_4.sce
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+clear
+//
+//
+
+//Initilization of Variables
+
+D=400 //mm //Overall Depth
+
+//Flanges
+b=300 //mm //Width
+t=50 //mm //Thickness
+
+t2=30 //mm //Web Thickness
+
+dell=10 //mm //Deflection
+w=40 //N/mm //Load
+FOS=1.75 //Factor of safety
+E=2*10**5 //N/mm**2
+
+//Calculations
+
+//M.I at x-x axis
+I_x=1*12**-1*(b*D**3-(b-t2)*b**3) //mm**4
+
+//Central Deflection
+//dell=5*w*L**4*(384*E*I)**-1
+//After sub values in above equation and further simplifying we get
+L=(dell*384*E*I_x*(5*w)**-1)**0.25
+
+//M.I aty-y axis
+I=1*12**-1*t*b**3+1*12**-1*b*t2**3+1*12**-1*t*b**3 //mm**4
+I_y=1*12**-1*t*b**3+1*12**-1*b*t2**3+1*12**-1*t*b**3 //mm**4
+
+//Both the Ends of column are hinged
+
+//Crippling Load
+P=%pi**2*E*I*(L**2)**-1 //N
+
+//Safe Load
+S=P*(FOS)**-1*10**-3 //N
+
+//Result
+printf("\n Safe Load if I-section is used as column with both Ends hhinged %0.2f  KN",S)