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diff --git a/3862/CH10/EX10.10/Ex10_10.sce b/3862/CH10/EX10.10/Ex10_10.sce
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+clear
+//
+//A cantilever of 3 m span, carrying uniformly distributed load of 3 kN/m is to be designed using cast iron rectangular section. Permissible stresses in cast iron are f = 30 N/mm^2 in tension and fc = 90 N/mm^2 in compression
+
+L=(3)                    //Span of cantilever,m
+w=(3)                    //uniformly distributed load,KN/m
+
+M=w*1000000*(L**2)/2        //Maximum moment**N-mm
+//let b be the width and d the depth
+//Z=b*(d**2)/6
+
+//Since it is rectangular section, N-A lies at mid-depth, and stresses at top and bottom are same. Hence, permissible tensile stress value is reached earlier and it governs the design.
+fper=30                       //N/mm^2
+b=100                         //mm
+f=30   
+
+//f*Z=M
+
+d=sqrt((M*6)/(b*f))
+
+printf("\n d= %0.1f  mm",d)