-, . .
.
n. : -, Pascal.
. .
- , . , , , , .
: , , .
Byte | 0 255 | 1 , |
ShortInt | 128 127 | 1 , |
Word | 0 65535 | 2 , |
Integer | 32768 32767 | 2 , |
LongInt | 2147483648 2147483647 | 4 , |
: | ||
Single | 1,5*10-45...3,4*1038 | 4 |
Real | ( ) 2,9*10-39...1,7*1038 | 6 |
Double | 5,0*10-3241,7*10308 | 8 |
Extended | 3,4*10-49321,1*104932 | 12 |
Char | 1 | 1 |
String | 1 255 | |
Boolean | True False | 1 |
- , : , .
Var : ;
.
:
Var
i, j, k: integer;
x, y, z: real;
n, l, m: byte;
t: String;
. .
, . , . :
:= ;
: , ; "" , , "".:sum:= cena * kol; rub:= usd * k; skidka:=sum * 0.05; percent:= 15; rez:= rez +1;
. , , . , , .
|
|
: sum + profit
sum * 0.75
1
+ | |
- | |
* | |
/ | |
div | |
mod |
+, -, * / . a div b b, a mod b , . , 125 div 100 1, 125 mod 100 25. , div mod . . *,./, div, mod , + -. , , .
, , . , , , , , , .
, (). , sqrt , sin . , . , k: = sqrt (n) k , n. .
Abs(n) | n |
Sqrt(n) | n |
Sqr(n) | n |
Sin(n) | n |
Cos(n) | n |
(n) | n |
Ln(n) | n |
Rardom(n) |