unit jisuanqiU;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls;
type
TForm1 = class(TForm)
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;
Panel1: TPanel;
Edit1: TEdit;
Button17: TButton;
Button16: TButton;
Button18: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
procedure Button6Click(Sender: TObject);
procedure Button7Click(Sender: TObject);
procedure Button8Click(Sender: TObject);
procedure Button9Click(Sender: TObject);
procedure Button10Click(Sender: TObject);
procedure Button12Click(Sender: TObject);
procedure Button13Click(Sender: TObject);
procedure Button14Click(Sender: TObject);
procedure Button15Click(Sender: TObject);
procedure Button17Click(Sender: TObject);
procedure Button16Click(Sender: TObject);
procedure Button11Click(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure Button18Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
// num,num1,num2:integer;
s,j,i,s_number,s_type,s_characterlast:string;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'1';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'1';
s_type:='1';
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'2';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'2';
s_type:='1';
end;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'3';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'3';
s_type:='1';
end;;
end;
procedure TForm1.Button4Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'4';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'4';
s_type:='1';
end;
end;
procedure TForm1.Button5Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'5';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'5';
s_type:='1';
end;
end;
procedure TForm1.Button6Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'6';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'6';
s_type:='1';
end;
end;
procedure TForm1.Button7Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'7';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'7';
s_type:='1';
end;
end;
procedure TForm1.Button8Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'8';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'8';
s_type:='1';
end;
end;
procedure TForm1.Button9Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'9';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'9';
s_type:='1';
end;
end;
procedure TForm1.Button10Click(Sender: TObject);
begin
if s_type='1' then begin
edit1.Text:=edit1.Text+'0';
s:='123'; end
else begin
edit1.text:='';
edit1.text:=edit1.Text+'0';
s_type:='1';
end;
end;
procedure TForm1.Button12Click(Sender: TObject);
begin
s_type:='0';
if s='' then
application.MessageBox('请先输入数字','提示:',0)
else
if i<>'' then
begin
if s_characterlast='X' then
begin
edit1.Text:=floattostr(strtofloat(s_number) * strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='+';
i:='';
end;
if s_characterlast='+' then
begin
edit1.Text:=floattostr(strtofloat(s_number) + strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='+';
i:='';
end;
if s_characterlast='-' then
begin
edit1.Text:=floattostr(strtofloat(s_number) - strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='+';
i:='';
end;
if s_characterlast='/' then
begin
edit1.Text:=floattostr(strtofloat(s_number) / strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='+';
i:='';
end;
end
//**************//
else
begin
s_characterlast:='+';
s_number:=edit1.Text;
i:='8567';
end;
j:='3432';
end;
procedure TForm1.Button13Click(Sender: TObject);
begin
s_type:='0';
if s='' then
application.MessageBox('请先输入数字','提示:',0)
else
if i<>'' then
begin
if s_characterlast='X' then
begin
edit1.Text:=floattostr(strtofloat(s_number) * strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='-';
i:='';
end;
if s_characterlast='+' then
begin
edit1.Text:=floattostr(strtofloat(s_number) + strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='-';
i:='';
end;
if s_characterlast='-' then
begin
edit1.Text:=floattostr(strtofloat(s_number) - strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='-';
i:='';
end;
if s_characterlast='/' then
begin
edit1.Text:=floattostr(strtofloat(s_number) / strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='-';
i:='';
end;
end
//**************//
else
begin
s_characterlast:='-';
s_number:=edit1.Text;
i:='432423';
end;
j:='3432';
end;
procedure TForm1.Button14Click(Sender: TObject);
begin
s_type:='0';
if s='' then
application.MessageBox('请先输入数字','提示:',0)
else
if i<>'' then
begin
if s_characterlast='X' then
begin
edit1.Text:=floattostr(strtofloat(s_number) * strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='X';
i:='';
end;
if s_characterlast='+' then
begin
edit1.Text:=floattostr(strtofloat(s_number) + strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='X';
i:='';
end;
if s_characterlast='-' then
begin
edit1.Text:=floattostr(strtofloat(s_number) - strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='X';
i:='';
end;
if s_characterlast='/' then
begin
edit1.Text:=floattostr(strtofloat(s_number) / strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='X';
i:='';
end;
end
//**************//
else
begin
s_characterlast:='X';
s_number:=edit1.Text;
i:='34342';
end;
j:='3432';
end;
procedure TForm1.Button15Click(Sender: TObject);
begin
s_type:='0';
if s='' then
application.MessageBox('请先输入数字','提示:',0)
else
if i<>'' then
begin
if s_characterlast='X' then
begin
edit1.Text:=floattostr(strtofloat(s_number) * strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='/';
i:='';
end;
if s_characterlast='+' then
begin
edit1.Text:=floattostr(strtofloat(s_number) + strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='/';
i:='';
end;
if s_characterlast='-' then
begin
edit1.Text:=floattostr(strtofloat(s_number) - strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='/';
i:='';
end;
if s_characterlast='/' then
begin
edit1.Text:=floattostr(strtofloat(s_number) / strtofloat(edit1.Text ));
s_number:=edit1.text;
s_characterlast:='/';
i:='';
end;
end
//**************//
else
begin
s_characterlast:='/';
s_number:=edit1.Text;
i:='3432';
end;
j:='3432';
end;
procedure TForm1.Button17Click(Sender: TObject);
begin
close;
end;
procedure TForm1.Button16Click(Sender: TObject);
begin
if s_type='1' then
if (edit1.Text='') then
begin
edit1.Text:=edit1.Text+'0.';
s:='123';
j:=''; end
else
begin
edit1.Text:=edit1.Text+'.';
s:='123'; end
else begin
if (j<>'') then
begin
edit1.text:='';
edit1.Text:=edit1.Text+'0.';
s_type:='1';
j:='';
end else
begin
edit1.text:='';
edit1.text:=edit1.Text+'.';
s_type:='1';
end;
end;
end;
procedure TForm1.Button11Click(Sender: TObject);
begin
//=======================================//
s_type:='0';
if s='' then
application.MessageBox('请先输入数字','提示:',0)
else
if s_characterlast<>'' then
begin
if s_characterlast='X' then
begin
edit1.Text:=floattostr(strtofloat(s_number) * strtofloat(edit1.Text ));
s_number:=edit1.text;
end;
if s_characterlast='+' then
begin
edit1.Text:=floattostr(strtofloat(s_number) + strtofloat(edit1.Text ));
s_number:=edit1.text;
end;
if s_characterlast='-' then
begin
edit1.Text:=floattostr(strtofloat(s_number) - strtofloat(edit1.Text ));
s_number:=edit1.text;
end;
if s_characterlast='/' then
begin
edit1.Text:=floattostr(strtofloat(s_number) / strtofloat(edit1.Text ));
s_number:=edit1.text;
end;
end;
j:='3432';
end;
procedure TForm1.FormShow(Sender: TObject);
begin
j:='';
s_type:='1';
end;
procedure TForm1.Button18Click(Sender: TObject);
begin
edit1.text:='';
end;
end.
