Опишите новые разработки по кодированию

Const x0=0; xn=6; h=0.2;
var x,y:real; i,n:integer;
begin
n:=round((xn-x0)/h)+1;
x:=x0-h;
for i:=1 to n do
 begin
 x:=x+h;
 y:=cos(x/3+0.3);
 writeln(x:4:1,y:8:3);
 end;
end.

Результат:
 0.0   0.955
 0.2   0.934
 0.4   0.908
 0.6   0.878
 0.8   0.844
 1.0   0.806
 1.2   0.765
 1.4   0.720
 1.6   0.672
 1.8   0.622
 2.0   0.568
 2.2   0.512
 2.4   0.454
 2.6   0.393
 2.8   0.331
 3.0   0.267
 3.2   0.203
 3.4   0.137
 3.6   0.071
 3.8   0.004
 4.0  -0.062
 4.2  -0.129
 4.4  -0.195
 4.6  -0.260
 4.8  -0.323
 5.0  -0.386
 5.2  -0.446
 5.4  -0.505
 5.6  -0.561
 5.8  -0.615
 6.0  -0.666

program zadagha_1;

var

a: array[1..8] of integer;

i,sum:integer;

begin

writeln('vvedite 8 chisel');

for i:=1 to 8 do read(a[i]);

sum:=0;

for i:=1 to 8 do begin

if i mod 2 <> 0 then begin

sum:=sum+a[i];

writeln(a[i]);

end;

end;

writeln();

writeln('summa elementov c nechetnim N =', sum);

end.

program zadagha_2;

var

b: array[1..1000] of integer;

i,a,n:integer;

begin

writeln('vvedite chislo - kolichestvo elementov massiva');

readln(n);

for i:=1 to n do begin

b[i]:=random(1000);

write(b[i]:6);

end;

writeln();

writeln('vvedite chislo');

readln(a);

write ('elementi > dannogo chisla: ');

for i:=1 to n do begin

if b[i]>a then write (i:4);

end;

end.

program zadacha_3;

var

a: array[1..100] of integer;

i,n,k: integer;

begin

n:=random(100);

for i:=1 to n do begin

a[i]:=random(1000)-500;

write(a[i]:6);

end;

writeln();

writeln('vvedite chislo');

readln(k);

writeln('v massive chisly ',k, ' kratni: ');

for i:=1 to n do begin

if (a[i] mod k = 0) and (a[i]>0)  then begin

write(a[i]:6);

end;

end;

end.