(a == b) (a <> b) (a = b) (a > b)
if condition instruction; case condition instruction; if condition then instruction; case condition of instruction;
PROGRAM IfThenElse;
Var a, b, c, d: integer;
begin a := 5; b:= 3; c := 99; d := 5; if a>6 then Write('A'); if a>b then Write('B'); if b=c then begin Write('C'); Write('D'); end; if b<>c then Write('E') else Write('F'); if a>=c then Write('G') else Write('H'); if a<=d then begin Write('I'); Write('J'); end; end.
Constant PI = 3.1415927; Const PI = 3.1415927; Const PI 3.1415927; Constant PI 3.1415927