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 D4R30
//Driver for routine ASS
uses
  unit2;
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
var
  ACTUAL:array[1..5] of real;B:array[1..5] of real;
  N:array[1..5] of integer;
  F:TextFile;  j:Integer;
const
  s1='%8.2f';s2='.000000e+00';S3='####';
begin
  ACTUAL[1]:=3.115203;      ACTUAL[2]:=127.7233;
  ACTUAL[3]:=24575.84;      ACTUAL[4]:=1.572973E-12;
  ACTUAL[5]:=1.709515E-12;
  N[1]:=1;       N[2]:=3;
  N[3]:=5;       N[4]:=1;
  N[5]:=3;
  B[1]:=0.25;    B[2]:=0.25;
  B[3]:=0.25;    B[4]:=24;
  B[5]:=24;
  //输出计算结果到文件
  AssignFile(F, 'd:\delphi_shu\p4\d4r30.dat');
  Rewrite(F);
  Writeln(F, 'N         B       Actual       ASS(N,B)');
  For j:= 1 To 5 do
  begin
    Writeln(F,FormatFloat(s3,N[j]),'   ',Format(s1,[B[j]]),'    ',
      FormatFloat(s2,Actual[j]),'    ',FormatFloat(s2,ASS(N[j],B[J])));
  end;
  CloseFile(F);
  //屏幕显示计算结果
  memo1.Lines.LoadFromFile('d:\delphi_shu\p4\d4r30.dat');
end;

end.