//Chapter 3
//page 76
//Example no 3-2
//figure 3.7
clear;
clc;
Asp1=20
Asp=10^(Asp1/20);
printf("\n Asp =%.0f\n",Asp);//Result
//Rf/Ri=Asp-1;
printf("\n Rf/Ri=%.0f \n",Asp-1);//Result
printf("Rf must be 9 times larger than Ri. \n There are many possibilities  ");//Result