| Nested FOR loops are often used to produce 
      DESIGNS:
 
 
        
        
          
            | // The 
            Isosceles Right Triangle (made with capital letters) char outer, inner;
 for (outer = 'F' ; outer >= 'A' ; outer--)
 {
 for (inner = 'A' ; inner <= outer; inner++)
 {
 cout <<inner;
 }
 
 cout<< "\n";
 }
 | ABCDEF ABCDE
 ABCD
 ABC
 AB
 A
 |  
 
        
        
          
            | // 
            Rectangle comprised of x's for (rows = 0; rows < 4; rows++)
 {
 for (col = 0; col < 12; col++)
 {
 cout << 'x' ;
 }
 
 cout<< "\n";
 }
 | xxxxxxxxxxxx xxxxxxxxxxxx
 xxxxxxxxxxxx
 xxxxxxxxxxxx
 |  
 
        
        
          
            | // 
            Isosceles triangle of x's centered on column 15 for(i =0; i<=3;i++)
 {
 gotoxy(15-i, 5+i);
 for(int j=1; j<=2*i+1; j++)
 cout<<"x";              //print the 
            x's
 cout<<endl;
 }
 | x xxx
 xxxxx
 xxxxxxx
   |  |