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C語言適用范圍大,可移植性好 var Form1:TForm1; i,j,k:real; jia,jian,cheng,chu,dengyu:Boolean; a,zf:Boolean; implementation {$R*.dfm} procedureTForm1.Button1Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=1 elseMaskEdit1.Text:=maskEdit1.Text+1; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button2Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=2 elseMaskEdit1.Text:=MaskEdit1.Text+2; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button3Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=2 elseMaskEdit1.Text:=MaskEdit1.Text+3; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button4Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=4 elseMaskEdit1.Text:=MaskEdit1.Text+4; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button5Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=5 elseMaskEdit1.Text:=MaskEdit1.Text+5; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button6Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=6 elseMaskEdit1.Text:=MaskEdit1.Text+6; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button7Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=7 elseMaskEdit1.Text:=MaskEdit1.Text+7; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button8Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=8 elseMaskEdit1.Text:=MaskEdit1.Text+8; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button9Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=9 elseMaskEdit1.Text:=MaskEdit1.Text+9; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button10Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=0 elseMaskEdit1.Text:=MaskEdit1.Text+0; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button13Click(Sender:TObject); begin a:=True; jia:=True; jian:=False; cheng:=False; chu:=False; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button20Click(Sender:TObject); begin dengyu:=True; a:=True; MaskEdit1.Clear; ifjia=True thenMaskEdit1.Text:=FloatToStr(i+j) elseifjian=True thenMaskEdit1.Text:=FloatToStr(i-j) elseifcheng=True thenMaskEdit1.Text:=FloatToStr(i*j) elseifchu=True then ifj<>0 thenMaskEdit1.Text:=FloatToStr(i/j) elseShowMessage(0不能做除數); end; procedureTForm1.FormCreate(Sender:TObject); begin a:=False; jia:=False; jian:=False; cheng:=False; chu:=False; MaskEdit1.Text:=0; end; procedureTForm1.Button14Click(Sender:TObject); begin a:=True; jia:=False; jian:=True; cheng:=False; chu:=False; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button15Click(Sender:TObject); begin a:=True; jia:=False; jian:=False; cheng:=True; chu:=False; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button16Click(Sender:TObject); begin a:=True; jia:=False; jian:=False; cheng:=False; chu:=True; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button17Click(Sender:TObject); var s:string; begin MaskEdit1.Text:=copy(MaskEdit1.Text,1,length(MaskEdit1.Text)-1); withMaskEdit1do begin if(Text=) thenText:=0; end; end; procedureTForm1.Button18Click(Sender:TObject); begin a:=True; jia:=True; jian:=False; cheng:=False; chu:=False; i:=0; j:=0; MaskEdit1.Text:=0; end; procedureTForm1.Button11Click(Sender:TObject); begin zf:=True; zf:=notzf; ifzf=True thenMaskEdit1.Text:=FloatToStr(0+StrToFloat(maskedit1.Text)) elseMaskEdit1.Text:=FloatToStr(0-StrToFloat(maskedit1.Text)); end; procedureTForm1.Button12Click(Sender:TObject); begin MaskEdit1.Text:=MaskEdit1.Text+.; end; procedureTForm1.Button19Click(Sender:TObject); begin a:=True; MaskEdit1.Text:=FloatToStr(1/strtofloat(MaskEdit1.Text)); end; procedureTForm1.N2Click(Sender:TObject); begin Button13.Click; end; procedureTForm1.N3Click(Sender:TObject); begin Button14.Click; end; procedureTForm1.N4Click(Sender:TObject); begin Button15.Click; end; procedureTForm1.N5Click(Sender:TObject); begin Button16.Click; end; procedureTForm1.N10Click(Sender:TObject); begin Button20.Click; end; procedureTForm1.N7Click(Sender:TObject); begin Application.CreateForm(tForm2,form2); Form2.ShowModal; end; procedureTForm1.N8Click(Sender:TObject); begin Form3.ShowModal; //Application.MessageBox(這也要幫助!你也太沒水平了吧!,鄙視你,MB_OK); end; procedureTForm1.MaskEdit1KeyPress(Sender:TObject;varKey:Char); begin //如果用戶輸入的不是0-9,退格鍵和回車鍵則輸入的字符無效 ifnot(Keyin[0..9,#8,#13]) thenkey:=#0; end; procedureTForm1.FormKeyPress(Sender:TObject;varKey:Char); begin ifLength(MaskEdit1.Text)>30 then begin ifKey=#8 thenButton17.Click; Key:=#0; end; Form1.KeyPreview:=True; ifKeyin[1] thenButton1.Click elseifKeyin[2] thenButton2.Click elseifKeyin[3] thenButton3.Click elseifKeyin[4] thenButton4.Click elseifKeyin[5] thenButton5.Click elseifkeyin[6] thenButton6.Click elseifKeyin[7] thenButton7.Click elseifkeyin[8] thenButton8.Click elseifkeyin[9] thenbutton9.Click elseifkeyin[0] thenbutton10.Click elseifKey=#107 thenButton13.Click elseifKey=#109 thenButton14.Click elseifKey=#106 thenButton15.Click elseifKey=#111 thenButton16.Click elseifKeyin[#103,#13,#187] thenButton20.Click elseifKey=#8 thenButton17.Click elseifKey=#46 thenbutton18.Click; end; end.,var Form1:TForm1; i,j,k:real; jia,jian,cheng,chu,dengyu:Boolean; a,zf:Boolean; implementation {$R*.dfm} procedureTForm1.Button1Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=1 elseMaskEdit1.Text:=maskEdit1.Text+1; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button2Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=2 elseMaskEdit1.Text:=MaskEdit1.Text+2; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button3Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=2 elseMaskEdit1.Text:=MaskEdit1.Text+3; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button4Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=4 elseMaskEdit1.Text:=MaskEdit1.Text+4; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button5Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=5 elseMaskEdit1.Text:=MaskEdit1.Text+5; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button6Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=6 elseMaskEdit1.Text:=MaskEdit1.Text+6; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button7Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=7 elseMaskEdit1.Text:=MaskEdit1.Text+7; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button8Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=8 elseMaskEdit1.Text:=MaskEdit1.Text+8; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button9Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=9 elseMaskEdit1.Text:=MaskEdit1.Text+9; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button10Click(Sender:TObject); begin ifa=True then begin MaskEdit1.Clear; a:=False; end; ifMaskEdit1.Text=0 thenMaskEdit1.Text:=0 elseMaskEdit1.Text:=MaskEdit1.Text+0; j:=StrToFloat(MaskEdit1.Text); end; procedureTForm1.Button13Click(Sender:TObject); begin a:=True; jia:=True; jian:=False; cheng:=False; chu:=False; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button20Click(Sender:TObject); begin dengyu:=True; a:=True; MaskEdit1.Clear; ifjia=True thenMaskEdit1.Text:=FloatToStr(i+j) elseifjian=True thenMaskEdit1.Text:=FloatToStr(i-j) elseifcheng=True thenMaskEdit1.Text:=FloatToStr(i*j) elseifchu=True then ifj<>0 thenMaskEdit1.Text:=FloatToStr(i/j) elseShowMessage(0不能做除數); end; procedureTForm1.FormCreate(Sender:TObject); begin a:=False; jia:=False; jian:=False; cheng:=False; chu:=False; MaskEdit1.Text:=0; end; procedureTForm1.Button14Click(Sender:TObject); begin a:=True; jia:=False; jian:=True; cheng:=False; chu:=False; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button15Click(Sender:TObject); begin a:=True; jia:=False; jian:=False; cheng:=True; chu:=False; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button16Click(Sender:TObject); begin a:=True; jia:=False; jian:=False; cheng:=False; chu:=True; i:=StrToFloat(MaskEdit1.text); end; procedureTForm1.Button17Click(Sender:TObject); var s:string; begin MaskEdit1.Text:=copy(MaskEdit1.Text,1,length(MaskEdit1.Text)-1); withMaskEdit1do begin if(Text=) thenText:=0; end; end; procedureTForm1.Button18Click(Sender:TObject); begin a:=True; jia:=

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