x:=0.2; while x<=2.2 do begin
y:=0.7; while y<=2.1 do begin
if y>=x then h:=2*y*x else
h:=y/2*x;p:=sin(y*x+h)*x*x*x;
y:=y+0.2; end; x:=x+0.5; end;
x:=0.2; while x<=2.2 do begin
y:=0.7; while y<=2.1 do begin
if y>=x then h:=2*y*x else
h:=y/2*x;p:=sin(y*x+h)*x*x*x;
y:=y+0.2; end; x:=x+0.5; end;