Membuat Program Kasir dengan bahasa Pascal

Berikut ini merupakan contoh dari program kasir.Dalam program kasir ini diberikan diskon sebesar 5% bagi orang yang berbelanja antara 10.000 sampai dengan 100.000 dan diskon 10% bagi orang yang berbelanja lebih dari 100.000.

Program kasir;
uses wincrt;
var barang : array[1..20] of string;
    banyak : array[1..20] of real;
    harga  : array[1..20] of integer;
    kata,grs :string;
    x,y,i,j : byte;
    jum_harga,total_harga,diskon,total_bayar,uang : real;
begin
 clrscr;
 grs:='==================================================================';
 kata:='Prgram Kasir';
 x:=round ((78-length(kata))/2);
 gotoxy(x,2) ;writeln(kata);
 x:=round ((78-length(grs))/2);
 gotoxy(x,3) ;write(grs);
 {-------------------------------------------}
 gotoxy(x,4);write('Data Belanja');
 gotoxy(x,5);write(grs);
 gotoxy(x,6);writeln('| No | Nama Barang       | Harga Barang  |Banyak  | Jumlah Barang| ');
 {-----------------------------------------------------------------------------------------}
 i:=0;
 total_harga:=0;
 repeat
  i:= i+1;
  gotoxy(x,7+i);write('|',i);
  gotoxy(x+5,7+i);write('|');
  gotoxy(x+7,7+i);readln(Barang[i]);
   if barang[i] <>'' then
   begin
    gotoxy(x+25,7+i);write('|');
    gotoxy(x+28,7+i);readln(harga[i]);
    gotoxy(x+28,7+i);writeln( harga [i] :10);
    gotoxy(x+41,7+i);write('|');
    gotoxy(x+44,7+i);readln(banyak[i]);
    gotoxy(x+50,7+i);write('|');
    jum_harga:=harga[i]*banyak[i];
    gotoxy(x+53,7+i);writeln(jum_harga:10:2);
    gotoxy(x+65,7+i);writeln('|');
    total_harga:=total_harga+jum_harga;
   end;
 until barang[i]='';
{------------------------------------------------------------------------------------------}
diskon:=0;
if (total_harga>10000) and (total_harga<100000) then
  diskon:=0.05*total_harga {diskon bg pembeli antara 10rb-100}
else
if (total_harga>=100000) then
  diskon:=0.1*total_harga;{diskon bg pembeli lebih dr 100rb}
{------------------------------------------------------------------------------------------}
kata:='Faktur Penjualan';
y:=round((78-length(kata))/2);
gotoxy(y,2);writeln(kata);
 j:=i-1;
gotoxy(x,8+j);write(grs);
gotoxy(x,8+j+1);write('Total Belanja');
gotoxy(x+53,8+j+1);write(total_harga:10:2);
gotoxy(x,8+j+2);write('Discount');
gotoxy(x+53,8+j+3);write(diskon:10:2);
gotoxy(x,8+j+3);write(grs);
gotoxy(x,8+j+4);write('Total Bayar Setelah discount');
total_bayar:=total_harga-diskon;
gotoxy(x+53,8+j+4);write(total_bayar:10:2);
gotoxy(x,8+j+5);write('Uang dibayar');
gotoxy(x+53,8+j+5);readln(uang);
gotoxy(x+53,8+j+5);writeln(uang:10:2);
gotoxy(x,8+j+6);write(grs);
gotoxy(x,8+j+7);write('Uang Kembali');
gotoxy(x+53,8+j+7);write(uang-total_bayar:10:2);
end.

Jika Program tersebut kita RUN maka akan menghasilkan output seperti dibawah ini: