. . var (variable ), .
:
var >: <>;
, Proizved, , :
var
,. Proizved: integer;
begin. end.
7 . CONST. . . .
:
PROGRAM ;
( , . ? )
USES ();
( , )
LABEL ;
( )
CONST ;
( , )
TYPE ; ()
VAR ;
( , )
;
;
BEGIN
END.
CONST
, .
, , , string().
( + ). , . $. - -2147483648 2147483647, - $00000000 $FFFFFFFF. Turbo Pascal :
MaxInt = 32767
MaxLonglnt = 2147483647
/ ( ), :
var
X = -0.5;
Y = 1.0;
Z = -1-5;
W = 7.5+15;
- , , ASCII, . , , - 126 .
, , .
, .
"", ,
|
|
|
' ' 'Turbo Pascal'''
, .
, . , - :
const
< >: < > = < >;
.
const
Maximum: Integer = 9999;
Rea: Real = -0.5;
Bell: Char = #7;
Const n= var;
Function (:):;
Var : ;
Begin
();
End;
BEGIN
;
END.
, , - . . . { }
8 . . . . . . .
, , , .
| shortint | -128127 | |
| integer | -32 76832 767 | |
| longint | -2 147 483 6482 147 483 647 | |
| byte | 0255 | |
| word | 065 535 |
Var, :
Var book: word;
(/), . .
:
| , | |||
| Real | 2.9e-39 1.7e38 | 11-12 | |
| Single | 1.5e-45 3.4e38 | 7-8 | |
| Double | 5.0e-324 1.7e308 | 15-16 | |
| Extended | 3.4e-4932 1.1e493 | 19-20 | |
| Comp | -9.2e63 (9.2e63)-1 | 19-20 |
, . , :
sin(x) ;
cos(x) ;
arctan(x) ;
ln(x) ;
sqrt(x) ;
exp(x) ;
