Listing Program Permasalahan Matematika Atin Wahyudin 09512040

LISTING PROGRAM PERMASALAHAN MATEMATIKAProgram Delphi

Disusun untuk memenuhi tugas akhir mata kuliah Program Komputer

Dosen Pembimbing : Deddy Sofyan, M.Pd.

Oleh:Nama : Atin Wahyudin

NIM 09512040Kelas : 2 C

Jurusan Pendidikan MatematikaSekolah Tinggi Keguruan dan Ilmu Pendidikan

(STKIP) GARUTJuli 2011

PROGRAM MATEMATIKA1. Program Menu

Program Sebelum di Run

Program Setelah di Run

var FormMenu: TFormMenu; a,s:integer;implementation

usesU_LINGKARAN, U_TRAPESIUM, U_SEGIEMPAT, U_SEGITIGA, U_KALKULATOR, U_KALKULATOR2, U_DATAMAHASISWA;

procedure TFormMenu.WMNCHitTest(var msg : TWMNCHitTest);begininherited;

if (msg.Result = htClient) thenif Msg.YPos < Top + 1000 thenmsg.Result := htCaption;end;{$R *.dfm}

procedure TFormMenu.Biasa1Click(Sender: TObject);beginformkalkulator2.show;formmenu.Hide;end;

procedure TFormMenu.Datamahasiswa1Click(Sender: TObject);beginformdata.show;formmenu.Hide;end;

procedure TFormMenu.Exit2Click(Sender: TObject);beginapplication.Terminate;end;

procedure TFormMenu.Lingkatan1Click(Sender: TObject);beginformlingkaran.show;formmenu.Hide;end;

procedure TFormMenu.rapesium1Click(Sender: TObject);beginformtrapesium.show;formmenu.Hide;end;

procedure TFormMenu.Sains1Click(Sender: TObject);beginformkalkulator.show;formmenu.Hide;end;

procedure TFormMenu.SegiEmpat1Click(Sender: TObject);beginformsegiempat.show;formmenu.Hide;

end;

procedure TFormMenu.SegiTiga1Click(Sender: TObject);beginformsegitiga.show;formmenu.Hide;end;

procedure TFormMenu.Timer1Timer(Sender: TObject);begina:=a+1; if a mod 4 =0 then begin label1.Caption:='PROGRAM PERMASALAHAN MATEMATIKA'; label2.Caption:=''; image1.Visible:=true;

label6.Caption:='Atin Wahyudin (09512037)'; label7.Caption:=''; label8.Caption:='2011'; end else if a mod 4 =1 then begin label1.Caption:=''; label2.Caption:='Disusun Oleh :'; image1.Visible:=true;

label6.Caption:=''; label7.Caption:='Sekolah Tinggi Keguruan Dan Ilmu Pendidikan (STKIP)'; label8.Caption:='2011'; end else if a mod 4 =2 then begin label1.Caption:='PROGRAM PERMASALAHAN MATEMATIKA'; label2.Caption:=''; image1.Visible:=false;

label6.Caption:='Atin Wahyudin (09512037)'; label7.Caption:='Sekolah Tinggi Keguruan Dan Ilmu Pendidikan (STKIP)'; label8.Caption:=''; end else if a mod 4 =3 then

begin label1.Caption:='PROGRAM PERMASALAHAN MATEMATIKA'; label2.Caption:=''; image1.Visible:=true;

label6.Caption:=''; label7.Caption:='Sekolah Tinggi Keguruan Dan Ilmu Pendidikan (STKIP)'; label8.Caption:='2011'; end end;

procedure TFormMenu.Timer3Timer(Sender: TObject);beginlabel11.Caption:=datetostr(now);label12.Caption:=timetostr(now);end;

end.

2. Program KalkulatorProgram Sebelum di Run


Listing Programvar FormKALKULATOR: TFormKALKULATOR; MemAngka, MemOperator, MemLogic, MemSimpan:string;

implementation

uses U_MENU;

{$R *.dfm}procedure TFormkalkulator.WMNCHitTest(var msg : TWMNCHitTest);begininherited;if (msg.Result = htClient) thenif Msg.YPos < Top + 1000 thenmsg.Result := htCaption;end;

procedure TFormKALKULATOR.BitBtn1Click(Sender: TObject);beginformmenu.show;

formkalkulator.Hide;end;

procedure TFormKALKULATOR.Button10Click(Sender: TObject); {0}beginif edit1.text<>'' thenif MemLogic='0' then begin if MemOperator<>'' then edit1.Text:='0' else if edit1.text='0' then edit1.text:='0' else begin edit1.Text:=edit1.Text+'0'; MemLogic:='1'; end; endelse edit1.Text:=edit1.Text+'0';

end;

procedure TFormKALKULATOR.Button11Click(Sender: TObject); {.}beginif edit1.text<>'' thenedit1.Text:=edit1.Text + '.';end;

procedure TFormKALKULATOR.Button12Click(Sender: TObject); {+/-}beginif edit1.text<>'' thenedit1.Text:=floattostr(strtofloat(edit1.Text)*(-1));end;

procedure TFormKALKULATOR.Button13Click(Sender: TObject);beginif (edit1.text<>'') then if MemLogic='0' then MemOperator:='+' else if (MemOperator='') then begin MemOperator:='+'; MemLogic:='0'; MemAngka:=edit1.Text; end else begin if MemOperator='+' then edit1.Text:=floattostr(strtofloat(MemAngka)+strtofloat(edit1.Text)); if MemOperator='-' then edit1.Text:=floattostr(strtofloat(MemAngka)-strtofloat(edit1.Text));

if MemOperator='x' then edit1.Text:=floattostr(strtofloat(MemAngka)*strtofloat(edit1.Text)); if MemOperator='/' then edit1.Text:=floattostr(strtofloat(MemAngka)/strtofloat(edit1.Text)); if MemOperator='^' then edit1.Text:=floattostr(exp(strtofloat(edit1.Text)*ln(strtofloat(MemAngka)))); MemAngka:=edit1.Text; MemOperator:='+'; MemLogic:='0'; end;end;

procedure TFormKALKULATOR.Button14Click(Sender: TObject);beginif (edit1.text<>'') then if MemLogic='0' then MemOperator:='-' else if (MemOperator='') then begin MemOperator:='-'; MemLogic:='0'; MemAngka:=edit1.Text; end else begin if MemOperator='+' then edit1.Text:=floattostr(strtofloat(MemAngka)+strtofloat(edit1.Text)); if MemOperator='-' then edit1.Text:=floattostr(strtofloat(MemAngka)-strtofloat(edit1.Text)); if MemOperator='x' then edit1.Text:=floattostr(strtofloat(MemAngka)*strtofloat(edit1.Text)); if MemOperator='/' then edit1.Text:=floattostr(strtofloat(MemAngka)/strtofloat(edit1.Text)); if MemOperator='^' then edit1.Text:=floattostr(exp(strtofloat(edit1.Text)*ln(strtofloat(MemAngka)))); MemAngka:=edit1.Text; MemOperator:='-'; MemLogic:='0'; end;end;

procedure TFormKALKULATOR.Button15Click(Sender: TObject);beginif (edit1.text<>'') then if MemLogic='0' then MemOperator:='x' else if (MemOperator='') then begin MemOperator:='x'; MemLogic:='0'; MemAngka:=edit1.Text; end else begin

if MemOperator='+' then edit1.Text:=floattostr(strtofloat(MemAngka)+strtofloat(edit1.Text)); if MemOperator='-' then edit1.Text:=floattostr(strtofloat(MemAngka)-strtofloat(edit1.Text)); if MemOperator='x' then edit1.Text:=floattostr(strtofloat(MemAngka)*strtofloat(edit1.Text)); if MemOperator='/' then edit1.Text:=floattostr(strtofloat(MemAngka)/strtofloat(edit1.Text)); if MemOperator='^' then edit1.Text:=floattostr(exp(strtofloat(edit1.Text)*ln(strtofloat(MemAngka)))); MemAngka:=edit1.Text; MemOperator:='x'; MemLogic:='0'; end;end;

procedure TFormKALKULATOR.Button16Click(Sender: TObject);beginif (edit1.text<>'') then if MemLogic='0' then MemOperator:='/' else if (MemOperator='') then begin MemOperator:='/'; MemLogic:='0'; MemAngka:=edit1.Text; end else begin if MemOperator='+' then edit1.Text:=floattostr(strtofloat(MemAngka)+strtofloat(edit1.Text)); if MemOperator='-' then edit1.Text:=floattostr(strtofloat(MemAngka)-strtofloat(edit1.Text)); if MemOperator='x' then edit1.Text:=floattostr(strtofloat(MemAngka)*strtofloat(edit1.Text)); if MemOperator='/' then edit1.Text:=floattostr(strtofloat(MemAngka)/strtofloat(edit1.Text)); if MemOperator='^' then edit1.Text:=floattostr(exp(strtofloat(edit1.Text)*ln(strtofloat(MemAngka)))); MemAngka:=edit1.Text; MemOperator:='/'; MemLogic:='0'; end;end;

procedure TFormKALKULATOR.Button17Click(Sender: TObject);beginif edit1.text<>'' then edit1.Text:=floattostr(sqrt(strtofloat(edit1.Text)));end;

procedure TFormKALKULATOR.Button18Click(Sender: TObject);beginif edit1.text<>'' then edit1.Text:=floattostr(sqr(strtofloat(edit1.Text)));

end;

procedure TFormKALKULATOR.Button19Click(Sender: TObject);begin if (edit1.text<>'') then if MemLogic='0' then MemOperator:='^' else if (MemOperator='') then begin MemOperator:='^'; MemLogic:='0'; MemAngka:=edit1.Text; end else begin if MemOperator='+' then edit1.Text:=floattostr(strtofloat(MemAngka)+strtofloat(edit1.Text)); if MemOperator='-' then edit1.Text:=floattostr(strtofloat(MemAngka)-strtofloat(edit1.Text)); if MemOperator='x' then edit1.Text:=floattostr(strtofloat(MemAngka)*strtofloat(edit1.Text)); if MemOperator='/' then edit1.Text:=floattostr(strtofloat(MemAngka)/strtofloat(edit1.Text)); if MemOperator='^' then edit1.Text:=floattostr(exp(strtofloat(edit1.Text)*ln(strtofloat(MemAngka)))); MemAngka:=edit1.Text; MemOperator:='^'; MemLogic:='0'; end;

end;

procedure TFormKALKULATOR.Button1Click(Sender: TObject); {1}beginif edit1.text<>'' thenif MemLogic='0' then begin MemLogic:='1'; if MemOperator<>'' then edit1.Text:='1' else edit1.text:='1'; endelse edit1.Text:=edit1.Text+'1';end;

procedure TFormKALKULATOR.Button20Click(Sender: TObject);begin if edit1.Text = '0' then edit1.Text:='Error,, eh bodo, ga Boleh 0 tau' else if edit1.Text<>'' then edit1.Text :=floattostr(1/strtofloat(edit1.Text)); MemLogic :='0';end;

procedure TFormKALKULATOR.Button21Click(Sender: TObject);beginif edit1.Text<>'' then edit1.Text := floattostr(pi);end;

procedure TFormKALKULATOR.Button22Click(Sender: TObject);var sudut:real;beginif edit1.Text<>'' then begin sudut:=strtofloat(edit1.Text); if Radiobutton1.Checked = true then sudut:=sudut*pi/180 else if Radiobutton2.Checked = true then sudut:=sudut else if radiobutton3.Checked = true then sudut:=sudut*pi/200; edit1.Text := floattostr(sin(sudut)); MemLogic :='0'; end;

end;

procedure TFormKALKULATOR.Button23Click(Sender: TObject);var sudut:real;beginif edit1.Text<>'' then begin sudut:=strtofloat(edit1.Text); if Radiobutton1.Checked = true then sudut:=sudut*pi/180 else if Radiobutton2.Checked = true then sudut:=sudut else if radiobutton3.Checked = true then sudut:=sudut*pi/200; edit1.Text := floattostr(cos(sudut)); MemLogic :='0'; end;end;

procedure TFormKALKULATOR.Button24Click(Sender: TObject);var sudut,a,b:real;beginif edit1.Text<>'' then begin sudut:=strtofloat(edit1.Text); if Radiobutton1.Checked = true then sudut:=sudut*pi/180 else if Radiobutton2.Checked = true then sudut:=sudut else if radiobutton3.Checked = true then sudut:=sudut*pi/200; a:=sin(sudut); b:=cos(sudut);

edit1.Text := floattostr(a/b); MemLogic :='0'; end;end;

procedure TFormKALKULATOR.Button25Click(Sender: TObject);begin if (edit1.text<>'') then edit1.Text := floattostr(ln(strtofloat(edit1.Text)));end;

procedure TFormKALKULATOR.Button26Click(Sender: TObject);begin if edit1.Text<=inttostr(0) then edit1.Text :='Error' else if (edit1.text<>'') then edit1.Text := floattostr(ln(10)/ln(strtofloat(edit1.Text)));

end;

procedure TFormKALKULATOR.Button27Click(Sender: TObject);var i,n,fak:integer;beginif edit1.Text<>'' then begin n :=strtoint(edit1.Text); fak:=1; for i:=1 to n do fak:=fak*i;

edit1.Text:=inttostr(fak); MemLogic :='0'; end;

end;

procedure TFormKALKULATOR.Button28Click(Sender: TObject);begin edit1.Text := MemSimpan ;end;

procedure TFormKALKULATOR.Button29Click(Sender: TObject);begin MemSimpan := edit1.Text ; MemLogic := '0'; MemOperator :='';

MemAngka := '0';end;


procedure TFormKALKULATOR.Button30Click(Sender: TObject);beginMemSimpan:='0';end;

procedure TFormKALKULATOR.Button31Click(Sender: TObject);beginif MemOperator='+' then edit1.Text:=floattostr(strtofloat(MemAngka)+strtofloat(edit1.Text)); if MemOperator='-' then edit1.Text:=floattostr(strtofloat(MemAngka)-strtofloat(edit1.Text)); if MemOperator='x' then edit1.Text:=floattostr(strtofloat(MemAngka)*strtofloat(edit1.Text)); if MemOperator='/' then edit1.Text:=floattostr(strtofloat(MemAngka)/strtofloat(edit1.Text)); if MemOperator='^' then edit1.Text:=floattostr(exp(strtofloat(edit1.Text)*ln(strtofloat(MemAngka)))); MemAngka:=edit1.Text; MemLogic:='0';end;

procedure TFormKALKULATOR.Button32Click(Sender: TObject);beginformmenu.Show;formkalkulator.hide;end;

procedure TFormKALKULATOR.Button33Click(Sender: TObject);beginedit1.Text:='0';MemLogic:='0';MemOperator:='';MemAngka:='0';radiobutton1.enabled:=true;

radiobutton2.enabled:=true;radiobutton3.enabled:=true;button1.Enabled:=true;button2.Enabled:=true;button3.Enabled:=true;button4.Enabled:=true;button5.Enabled:=true;button6.Enabled:=true;button7.Enabled:=true;button8.Enabled:=true;button9.Enabled:=true;button10.Enabled:=true;button11.Enabled:=true;button12.Enabled:=true;button13.Enabled:=true;button14.Enabled:=true;button15.Enabled:=true;button16.Enabled:=true;button17.Enabled:=true;button18.Enabled:=true;button19.Enabled:=true;button20.Enabled:=true;button21.Enabled:=true;button22.Enabled:=true;button23.Enabled:=true;button24.Enabled:=true;button25.Enabled:=true;button26.Enabled:=true;button27.Enabled:=true;button28.Enabled:=true;button29.Enabled:=true;button30.Enabled:=true;button31.Enabled:=true;button32.Enabled:=true;

radiobutton1.Checked:=true;end;

procedure TFormKALKULATOR.Button3Click(Sender: TObject); {3}beginif edit1.text<>'' thenif MemLogic='0' then begin MemLogic:='1'; if MemOperator<>'' then edit1.Text:='3' else edit1.text:='3';

endelse edit1.Text:=edit1.Text+'3';end;




procedure TFormKALKULATOR.Button7Click(Sender: TObject); {7}begin

if edit1.text<>'' thenif MemLogic='0' then begin MemLogic:='1'; if MemOperator<>'' then edit1.Text:='7' else edit1.text:='7'; endelse edit1.Text:=edit1.Text+'7';end;



procedure TFormKALKULATOR.formcreate(Sender: TObject);beginedit1.Clear;radiobutton1.enabled:=false;radiobutton2.enabled:=false;radiobutton3.enabled:=false;button1.Enabled:=false;button2.Enabled:=false;button3.Enabled:=false;

button4.Enabled:=false;button5.Enabled:=false;button6.Enabled:=false;button7.Enabled:=false;button8.Enabled:=false;button9.Enabled:=false;button10.Enabled:=false;button11.Enabled:=false;button12.Enabled:=false;button13.Enabled:=false;button14.Enabled:=false;button15.Enabled:=false;button16.Enabled:=false;button17.Enabled:=false;button18.Enabled:=false;button19.Enabled:=false;button20.Enabled:=false;button21.Enabled:=false;button22.Enabled:=false;button23.Enabled:=false;button24.Enabled:=false;button25.Enabled:=false;button26.Enabled:=false;button27.Enabled:=false;button28.Enabled:=false;button29.Enabled:=false;button30.Enabled:=false;button31.Enabled:=false;button32.Enabled:=false;end;

end.

3. Program Input Data (Array)Program Sebelum di Run


Listing Programvar FormData: TFormData; a,p:integer; Nama,NIM,Kelas,no:array[1..10] of string;implementation

uses U_MENU;

{$R *.dfm}

procedure TFormData.Button1Click(Sender: TObject);beginif a<=10 then No[a]:=(edit1.Text); Nama[a]:=(edit2.Text); NIM[a]:=(edit3.Text); Kelas[a]:=(edit4.Text);

edit2.SetFocus; listbox1.Items.Add('No : '+(inttostr(a)));

listbox1.Items.Add('Nama : '+(nama[a])); listbox1.Items.Add('NIM : '+(nim[a])); listbox1.Items.Add('Kelas : '+(kelas[a])); listbox1.Items.Add('----------------------------');Stringgrid1.Cells[0,0]:='No';Stringgrid1.Cells[1,0]:='Nama';Stringgrid1.Cells[2,0]:='NIM';Stringgrid1.Cells[3,0]:='Kelas';

for a := strtoint(edit1.Text) to a do begin Stringgrid1.Cells[0,a]:=inttostr(a); Stringgrid1.Cells[1,a]:=Nama[a]; Stringgrid1.Cells[2,a]:=NIM[a]; Stringgrid1.Cells[3,a]:=Kelas[a];

if a<10 then Begin edit1.Text:=inttostr(a); Endelseif a=10 then messagedlg('Tos atuh tong teterusan, CAPE Ngetik',mtinformation,[mbyes],0);

end;end;

procedure TFormData.Button2Click(Sender: TObject);beginformdata.Hide;formmenu.show;end;

procedure TFormData.FormCreate(Sender: TObject);begina:=1;edit1.Text:=inttostr(a);

Stringgrid1.Cells[0,0]:='No';Stringgrid1.Cells[1,0]:='Nama';Stringgrid1.Cells[2,0]:='NIM';Stringgrid1.Cells[3,0]:='Kelas';

end;end.

4. Program Bangun Datara. Program PersegiProgram Sebelum di Run


Listing Programvar Formsegiempat: TFormsegiempat; a,kel,luas:real;implementationuses U_MENU;{$R *.dfm}

procedure TFormsegiempat.Button1Click(Sender: TObject);begina:=strtofloat(edit1.Text);kel:=4*a;luas:=a*A;edit3.Text:=floattostr(kel);edit4.Text:=floattostr(luas);end;

procedure TFormsegiempat.Button2Click(Sender: TObject);beginedit1.Clear;edit3.Clear;edit4.Clear;end;

procedure TFormsegiempat.Button3Click(Sender: TObject);beginformmenu.show;formsegiempat.Hide;end;

end.b. Program SegitigaProgram Sebelum di Run


Listing Programvar Formsegitiga: TFormsegitiga; a,t,l:real;implementation

uses U_MENU;

{$R *.dfm}

procedure TFormsegitiga.Button1Click(Sender: TObject);begina:=strtofloat(edit1.Text);t:=strtofloat(edit2.Text);l:=(A*t)/2;edit3.Text:=floattostr(l);end;

procedure TFormsegitiga.Button2Click(Sender: TObject);beginedit1.Clear;edit2.Clear;edit3.Clear;end;

procedure TFormsegitiga.Button3Click(Sender: TObject);beginformmenu.show;formsegitiga.Hide;end;

end.c. Program TrapesiumProgram Sebelum di Run


Listing Programvar FormTrapesium: TFormTrapesium; a,b,t,l:real;implementationuses U_MENU;{$R *.dfm}

procedure TFormTrapesium.Button1Click(Sender: TObject);begina:=strtofloat(edit1.Text);b:=strtofloat(edit2.Text);t:=strtofloat(edit3.Text);l:=((a+b)/2)*t;edit4.Text:=floattostr(l);end;

procedure TFormTrapesium.Button2Click(Sender: TObject);beginedit1.Clear;edit2.Clear;edit3.Clear;edit4.Clear;end;

procedure TFormTrapesium.Button3Click(Sender: TObject);beginformmenu.show;

formtrapesium.Hide;end;end.

d. Program LingkaranProgram Sebelum di Run


Listing Programvar FormLingkaran: TFormLingkaran; r,keliling,luas:real;implementationuses U_MENU;{$R *.dfm}

procedure TFormLingkaran.Button1Click(Sender: TObject);beginr:=strtofloat(edit1.Text);keliling:=2*pi*r;luas:=pi*r*r;edit2.Text:=floattostr(keliling);edit3.Text:=floattostr(luas);end;

procedure TFormLingkaran.Button2Click(Sender: TObject);beginedit1.Clear;edit2.Clear;edit3.Clear;end;

procedure TFormLingkaran.Button3Click(Sender: TObject);beginformmenu.show;formlingkaran.Hide;end;

end.

Listing Program Permasalahan Matematika Atin Wahyudin 09512040

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