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diff --git a/3705/CH1/EX1.3/Ex1_3.sce b/3705/CH1/EX1.3/Ex1_3.sce
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+
+clear//
+//
+
+//Variable Declaration
+A_AB=800 //Area of member AB in m^2
+A_AC=400 //Area of member AC in m^2
+W_AB=110 //Safe value of stress in Pa for AB
+W_AC=120 //Safe value of stress in Pa for AC
+theta1=60*3.14*180**-1 //Angle in radians
+theta2=40*3.14*180**-1 //Angle in radians 
+
+//Calculations
+//Applying sum of forces 
+//Solving by matrix method putting W as 1
+A =[-cos(theta1),cos(theta2);sin(theta1),sin(theta2)]
+
+B = [1;1]
+C=inv(A)
+D=C
+
+//Using newtons third law
+//Two values of W hence the change in the notation
+W1=(W_AB*A_AB)*D(2,2)**-1 //Weight W in N
+W2=(W_AC*A_AC)*D(1,2)**-1 //Weight W in N
+
+//Result
+printf("\n The maximum value of W allowable is %0.1f kN",W2*1000**-1)