initial commit / add all books

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diff --git a/2078/CH9/EX9.2/Example9_2.sce b/2078/CH9/EX9.2/Example9_2.sce
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+//Exa 9.2

+clc;

+clear;

+close;

+//Given data :

+C1=1;//

+C=10;

+K=C1/C;

+V2byV1=(1+K);

+V3byV1=(1+3*K+K^2);

+V4byV1=(1+6*K+5*K^2+K^3);

+V5byV1=1+10*K+15*K^2+7*K^3+K^4

+//I6=I5+i5;

+//omega*C*V6=omega*C*V5+omega*C1*(V1+V2+V3+V4+V5)

+V6byV1=V5byV1+K*(1+V2byV1+V3byV1+V4byV1+V5byV1);

+VbyV1=1+V2byV1+V3byV1+V4byV1+V5byV1+V6byV1;

+V1byV=1/VbyV1;

+disp("Voltage across the first unit is "+string(V1byV*100)+" % of V");

+disp("Voltage across the seconf unit is "+string(V2byV1*V1byV*100)+" % of V");

+disp("Voltage across the third unit is "+string(V3byV1*V1byV*100)+" % of V");

+disp("Voltage across the fourth unit is "+string(V4byV1*V1byV*100)+" % of V");

+disp("Voltage across the fifth unit is "+string(V5byV1*V1byV*100)+" % of V");

+disp("Voltage across the sixth unit is "+string(V6byV1*V1byV*100)+" % of V");

+n=6;//no. of unit

+Strinf_eff=1/n/(V6byV1*V1byV);//%

+disp(Strinf_eff*100,"String Efficiency(%)");