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Delphi.




10

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:. , , , Delphi. , , ; .

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~ (a*a*a+2*x)/(4*a-x);. ~ ((a+1)*(a+1)-2)/(4*(a-x)).

Delphi:

Delphi , . Delphi , .
Abs(x) | x | .   Trun(x) ֳ
Sqrt(x) √x .   Int(x)
Sqr(x) x2   Random Î(0;1)
Exp(x)   Random(n) Î[0;n]

IntToStr (k) k
FloatToStr (n) n  
FloatToStrF(n, fffixed, k,m) n ; k , m .  
StrToInt (s) ֳ s  
StrToFloat (s) ij s  

.

: < >: = < >;

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Label2.captin:= !; Label2;

S:=Edit1.text; Edit1 S.

Image3.Visible:=true; Image3, .

Label2.captin:= Edit1.text+, !; , Edit1 Label2.

Label , .

Edit , .

Button . , .

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1. , . ( 7 ).

Delphi.

2. ³ .

: dit dit, Label +, Button - , .

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3. .

Delphi . , Button. .

 

unit Unit1;

interface

uses

Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,

Dialogs, StdCtrls;

type

TForm1 = class(TForm)

Edit1: TEdit;

Edit2: TEdit;

Edit3: TEdit;

lbl1: TLabel;

btn1: TButton;

btn2: TButton;

procedure btn1Click(Sender: TObject);

procedure btn2Click(Sender: TObject);

private

{ Private declarations }

public

{ Public declarations }

end;

var

Form1: TForm1;

Implementation

{$R *.dfm}

procedure TForm1.btn1Click(Sender: TObject);

Var

a,b,c:Integer;

begin

a:=strtoint(Edit1.Text);

b:=strtoint(Edit2.Text);

c:=a+b;

Edit3.Text:=inttostr(c);

end;

 

procedure TForm1.btn2Click(Sender: TObject);

begin

Close;

end;

 

end.

 

4. ( ). , .

5. D:\MyProgram 10 ( File Save Project As).

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2. , . . ϳ , . ( 7 ).

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Delphi :

 

1. .

( Caption, ). , . , , .

2. 䳿 .

䳿, 俳 Button1Click. 䳿.

3. 䳿.

begin , , :

var a,b,c,p,s:real; f:string;

a,b,c,p,s (real),

f (string).

̳ begin end , .

, - . , , . . .

ֳ , a, b, c (string) (float).

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S (float) (string) label5.

4. .

5. :

( File SaveProject As). Delphi , . .
(*.), Proiect BuildNameProject.
, : File New Application. Delphi , .

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1. 䳿?

2. ?

3. ?

4. ?

5. ?

 





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