Örnek-1
program Tek_1;
uses crt;
var
   i, sakla : integer;
begin
     clrscr;
     for i := 3 to 27 do
         begin
              if i mod 2 = 1 then
                 sakla := sakla + i
         end;
     write(sakla);
     readln
end.
Örnek-2
program Tek_2;
uses crt;
var
   i, j, sakla : integer;
begin
     clrscr;
     for i := 3 to 27 do
         begin
              if (i/2) <> int(i/2) then
                 sakla := sakla + i;
         end;
     write(sakla);
     readln
end.
Örnek-3
program Tek_3;
uses crt;
var
   i, sakla : integer;
begin
     clrscr;
     for i := 3 to 27 do
         begin
              sakla := sakla + i;
              if i < 27 then
                 i := i + 1
         end;
     write(sakla);
     readln
end.
Örnek-4
program Tek_4;
uses crt;
var
   i, j, sakla : integer;
begin
     clrscr;
     j := 3;
     for i := 3 to 27 do
         begin
              if i = j then
                 begin
                      sakla := sakla + i;
                      j := j + 2
                 end;
         end;
     write(sakla);
     readln
end.
Örnek-5
program Tek_5;
uses crt;
var
   i, j, sakla : integer;
   S : string[20];
begin
     clrscr;
     for i := 3 to 27 do
         begin
              j := i;
              Str(j,S);
              S := copy(S,length(S),1);
              val(S,j,j);
              if j in [1,3,5,7,9] then
                 sakla := sakla + i;
         end;
     write(sakla);
     readln
end.