initial commit / add all books

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diff --git a/3764/CH1/EX1.3/Ex1_3.sce b/3764/CH1/EX1.3/Ex1_3.sce
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+clc
+//
+
+//Variable declaration
+Su = 600    //ultimate normal stress(MPa)   
+FS = 3.3    //Factor of safety with respect to failure
+tU=350      //Ultimate shearing stress(MPa)
+Cx=40       //X Component of reaction at C(kN)
+Cy=65       //Y Component of reaction at C(kN)
+Smax=300    //Allowable bearing stress of the steel 
+
+//Calculation
+C=sqrt(((40**2))+((65**2)))
+
+//Case(a)
+P=(15*0.6 + 50*0.3)/(0.6)  //Allowable bearing stress of the steel(MPa)
+Sall=(Su/FS)               //Allowable Stress(MPa)
+Sall=(Sall)         //Rounding Allowable stress to 1 decimal place(MPa)
+
+Areqa=(P/(Sall*(1000)))    //Cross Sectional area(m^2)
+Areqa=(Areqa)       //Rounding cross sectional area to 5 decimal places(m^2)
+
+dAB=sqrt(((Areqa)*(4))/(22/7)) //Diameter of AB(m)
+dAB=dAB*1000                        //Diameter of AB(mm)
+dAB=(dAB)                    //Rounding Diameter of AB(mm)
+
+
+//Case(b)
+tALL=tU/FS                          //Stress(MPa)
+tALL=(tALL)                  //Rounding of Stress
+
+AreqC=((C/2)/tALL)                  //Cross sectional area(m^2)
+AreqC=AreqC*1000                    
+AreqC=(AreqC)                //Rounding the cross sectional area
+
+dC=sqrt((4*AreqC)/(22/7))      //Diameter at point C
+dC=((dC+1))                  //Rounding of the diameter at C
+
+
+//Case(c)
+
+Areq=((C/2)/Smax)                   
+Areq=Areq*1000                      //Cross sectional area(mm^2)
+t=(Areq/22)                         //Thickness of the bracket
+t=(t)
+
+
+//Result
+printf("\n Case(a): Diameter of the bolt = % f mm' ,dAB)
+printf("\n Case(a): Dimension b at Each End of the Bar = % f mm' ,dC)
+printf("\n Case(a): Dimension h of the Bar = % f mm' ,t)