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+//CHAPTER 1- D.C. CIRCUIT ANALYSIS AND NETWORK THEOREMS 
+//Example 2
+
+disp("CHAPTER 1");
+disp("EXAMPLE 2");
+
+//VARIABLE INITIALIZATION
+//converting star with points A, C and D into delta ACD
+//star values
+ra=2;
+rc=4;
+rd=3;
+
+//SOLUTION
+//delta values
+r=(ra*rc)+(rc*rd)+(rd*ra);
+rac=r/rd;
+rcd=r/ra;
+rad=r/rc;
+req1=(5*rad)/(5+rad);          //equivalent resistance between A and D
+req2=(4*rcd)/(4+rcd);          //equivalent resistance between C and D
+req3=req1+req2;                //req1 and req2 are in series
+req4=(req3*rac)/(req3+rac);    //req3 and rac are in parallel
+req5=req4+6; 
+req6=(req5*7)/(req5+7);
+disp(sprintf("The eqivalent resistance between points A and B is %f Ω",req6));
+
+//END
+
+