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diff --git a/1808/CH5/EX5.9/Chapter5_Exampl9.sce b/1808/CH5/EX5.9/Chapter5_Exampl9.sce
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+clc
+clear
+//INPUT DATA
+p1=1;//ambient pressure in bar
+t1=15;//ambient temperature in Degree C
+ps=0.98;//suction pressure in bar
+pd=7;//Delivery pressure in bar
+ts=30;//suction temperature in Degree C
+x=1.25;//ratio of l,d
+c=1/15;//clearance
+va=100;//volume in m^3/min
+n=1.3;//for cylinders
+
+//CALCULATIONS
+
+//(a)If ambient and suction conditions are same
+nv1=(1+c-c*((pd/p1)^(1/n)))*100;//volumetric efficiency in percentage
+vs1=va/nv1;//swept volume in m^3/min
+d1=sqrt(0.260146*4/3.14);//bore length in m
+l1=x*d1;//stroke in m
+N1=500/(2*l1);//Speed in rpm
+ip1=(n/(n-1))*p1*10^2*(va/60)*((pd/p1)^((n-1)/n)-1);//indicated power in kW
+
+//(b)If ambient and suction conditions are different
+nv2=(1+c-c*((pd/ps)^(1/n)))*100;//volumetric efficiency in percentage
+v14=p1*va*(ts+273)/(ps*(t1+273));//volume of air delivered in m^3/min
+vs2=(v14/nv2);//swept volume in m^3/min
+d2=sqrt(vs2*4/(3.14*500));//bore length in m
+l2=x*d2;//stroke length in m
+N2=500/(2*l2);//speed in rpm
+ip2=(n/(n-1))*ps*10^2*(v14/60)*((pd/ps)^((n-1)/n)-1);//indicated power in kW
+
+//OUTPUT
+printf('(a)If ambient and suction conditions are same \n (i)volumetric efficiency %3.3f percentage \n (ii)Bore %3.4f m \n stroke %3.4f m \n speed %3.1f rpm \n (iii)Indicated power is %3.2f kW \n (b)If ambient and suction conditions are different \n (i)volumetric efficiency %3.3f percentage \n (ii)Bore %3.4f m \n stroke %3.4f m \n speed %3.1f rpm \n (iii)Indicated power is %3.2f kW \n ',nv1,d1,l1,N1,ip1,nv2,d2,l2,N2,ip2)
+
+
+