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+// Example 7.9 page no-424
+clear
+clc
+
+Rc=4
+Rb=40
+Rs=10
+hie=1.1
+hfe=50
+hre=0
+hoe=0
+
+Rcdash=Rc*Rb/(Rc+Rb)
+R=Rs*Rb/(Rs+Rb)
+Rm=-hfe*Rcdash*R/(R+hie)
+Rm=floor(Rm)
+printf("\nTransresistance Rm=%d k",Rm)
+B=-1/(Rb)
+D=1+B*Rm
+Rmdash=Rm/D
+Avdash=Rmdash/Rs
+Ri=R*hie/(R+hie)
+Ridash=Ri/D
+printf("\nBeta=%.3f mA/V\nRm_dash=%dk Ohm\nAv_dash=%f\nRi=%f k Ohm\nRi_dash=%fk Ohm",B,Rmdash,Avdash,Ri,Ridash)