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+clear
+//
+//
+
+//Initilization of Variables
+
+//Flanges
+b=200 //mm //Width
+t=25 //mm //Thickness 
+
+D1=500 //mm //Overall Depth
+t2=20 //mm //Thickness of web
+
+d=450 //mm //Depth of web
+
+//Calculations
+
+//Consider,Element of Thickness "y" at Distance "dy" from N.A 
+//Let Bending stress "sigma_max"
+
+//Stress on the element 
+//sigma=y*(D*2**-1)*sigma_max   ..............(1)
+
+//Area of Element
+//A=b*dy       .................................(2)
+
+//Force on Element 
+//F=y*250**-1*sigma_max*b*dy
+
+//Let M be the Moment of resistance
+//M=y*250**-1*sigma_max*b*dy*y
+
+//Moment of Resistance of top flange after simplification we gget
+//M.R=2258333.3*f
+
+//M.I of I section
+I=1*12**-1*(b*D1**3-180*d**3)*10**-8
+
+//Moment acting on section 
+//After simplifying we get
+//M=2865833.3*f
+
+//Percentage moment resistance
+M1=2258333.3*2865833.3**-1*100
+
+//Percentage moment resisted by web
+M2=100-M1
+
+//Result