unit1.pas

用于开发税务票据管理的软件

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
//PROGRAM D4R3
//Driver for routine BICO
uses
  unit2;
  {$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
var
  F:TextFile;  j:Integer;
  ACTUAL:array[1..5] of real;  N,K:array[1..5] of integer;
const
  s1='###';s2='%10.0f';
begin
  ACTUAL[1]:=6;       ACTUAL[2]:=455;
  ACTUAL[3]:=3003;    ACTUAL[4]:=2300;
  ACTUAL[5]:=53130;   N[1]:=6;
  N[2]:=15;           N[3]:=15;
  N[4]:=25;           N[5]:=25;
  K[1]:=1;            K[2]:=3;
  K[3]:=5;            K[4]:=3;
  K[5]:=5;
  //输出计算结果到文件
  AssignFile(F, 'd:\delphi_shu\p4\d4r3.dat');
  Rewrite(F);
  Writeln(F, ' N     K     Actual   BICO(N,K)');
  For j:= 1 To 5 do
    Writeln(F,FormatFloat(s1,N[j]),'     ',FormatFloat(s1,K[j]),
           Format(s2,[Actual[j]]),Format(s2,[BICO(N[J],K[j])]));
  CloseFile(F);
  //屏幕显示计算结果
  memo1.Lines.LoadFromFile('d:\delphi_shu\p4\d4r3.dat');
end;

end.