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+//Tested on Windows 7 Ultimate 32-bit
+//Chapter 5 Bipolar Transistor Biasing Pg no. 168 and 169
+clear;
+clc;
+
+//Given Data
+//Figure E5.17
+
+B=100;//DC CE current gain beta
+VCC=15;//supply voltage in volts
+RL=1D3;//collector load resistance in ohms
+VCE=7.5;//collector to emitter voltage in volts
+IC=6D-3;//collector current in amperes
+VBE=0.7;//forward voltage drop of emitter diode in volts
+S=12;//stability factor S
+
+
+//Solution
+
+IB=IC/B;//base current in amperes
+RE=(VCC-VCE-IC*RL)/(IC+IB);//emitter resistance in ohms
+Rth=RE*(S-1)/(1-S/(1+B));//thevenin resistance of divider network in ohms
+R1=VCC*Rth/(IB*Rth+VBE+(IC+IB)*RE);//resistance R1 in ohms
+R2=R1*Rth/(R1-Rth);//resistance R2 in ohms
+
+printf("RE = %.3f kilo-ohms\n",RE/1000);
+printf("R1 = %.2f kilo-ohms\n",R1/1000);
+printf("R2 = %.2f kilo-ohms\n",R2/1000);
+
+//error in calculations in textbook for R1 and R2 as R2 cannot be less than Rth which is parallel resistance of R1 and R2