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//---------------------------------------------------------------------------

#ifndef Unit1H
#define Unit1H
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
//---------------------------------------------------------------------------class TForm1 : public TForm
{
__published: // IDE-managed Components
TEdit *Edit1;
TButton *Button1;
TButton *Button2;
TButton *Button3;
TButton *Button4;
TButton *Button5;
TButton *Button6;
TButton *Button7;
TButton *Button8;
TButton *Button9;
TButton *Button10;
TButton *Button11;TButton *Button12;
TButton *Button13;
TButton *Button14;
TButton *Button15;
TButton *Button16;
TButton *Button17;
TEdit *Edit2;
TButton *Button19;
void __fastcall Button1Click(TObject *Sender);
void __fastcall Button2Click(TObject *Sender);
void __fastcall Button3Click(TObject *Sender);
void__fastcall Button4Click(TObject *Sender);
void __fastcall Button5Click(TObject *Sender);
void __fastcall Button6Click(TObject *Sender);
void __fastcall Button7Click(TObject *Sender);
void __fastcall Button8Click(TObject *Sender);
void __fastcall Button9Click(TObject *Sender);
void __fastcall Button10Click(TObject *Sender);
void__fastcall send(int nu);
void __fastcall Button13Click(TObject *Sender);
void __fastcall Button12Click(TObject *Sender);
void __fastcall Button14Click(TObject *Sender);
void __fastcall Button15Click(TObject *Sender);
void __fastcall Button16Click(TObject *Sender);
void __fastcall Button11Click(TObject *Sender);
void __fastcallButton17Click(TObject *Sender);
void __fastcall Button18Click(TObject *Sender);
void __fastcall Edit2KeyPress(TObject *Sender, char &Key);
void __fastcall Button19Click(TObject *Sender);
private: float num1,num2;
int i,x,y;
int j,k;
int iAddNum;
int iIfNum;
int ifnatt;//°´µÈºÅºó,ÊÇ·ñ°´ÁËÊý×Ö

// User declarationspublic: // User declarations
__fastcall TForm1(TComponent* Owner);

};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif

//---------------------------------------------------------------------------

#include <vcl.h>
#pragmahdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
j=0; //ÊÇ·ñ°´ÁËÊý×Ö¼ü
y=0; //ÊÇ¿ØÖÆСÊýµãµÄ¸öÊýiAddNum=0; //Á¬+-*/
x=0; //°´Á˶àÉÙ´Î +-*/
i=0; // +-*/ °´µÄ´ÎÊý


}
//---------------------------------------------------------------------------
void __fastcall TForm1::send(int nu) //×Ô¶¨Ò庯Êý
{

if(j==2) //°´Á˵ÈÓÚ£¬È»ºó°ÑËùÓÐÊý³õʼ»¯
{
Edit1->Text="0";
j=0;
k=0;
x=0;
iAddNum=0;//ÅмӺÅ
iIfNum=0;
num1=0;
num2=0;
}
if(j==1) // Êý×Ö
{
if(Edit1->Text==0)
Edit1->Text=IntToStr(nu);
else
Edit1->Text=Edit1->Text+IntToStr(nu);
}
else //·ûºÅ
{
Edit1->Text=IntToStr(nu);
}
j=1;
x=0;
Edit2->SetFocus();
}...