d4r16.txt

用于开发税务票据管理的软件

implementation
//PROGRAM D4R16
//Driver for routine BESSY0
uses
  unit2;
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
var
  ACTUAL:array[1..5] of real;X:array[1..5] of real;
  F:TextFile;  j:Integer;
const
  s1='%8.2f';s2='%14.7f';
begin
  ACTUAL[1]:=0.088257;      ACTUAL[2]:=0.37685;
  ACTUAL[3]:=-0.3085176;    ACTUAL[4]:=0.0556712;
  ACTUAL[5]:=-0.0782079;
  X[1]:=1;   X[2]:=3;
  X[3]:=5;   X[4]:=10;
  X[5]:=13;
  //输出计算结果到文件
  AssignFile(F, 'd:\delphi_shu\p4\d4r16.dat');
  Rewrite(F);
  Writeln(F, '     X         Actual       BESSY0(X)');
  For j:= 1 To 5 do
  begin
    Writeln(F,Format(s1,[X[j]]),Format(s2,[Actual[j]]),
                            Format(s2,[BESSY0(X[J])]));
  end;
  CloseFile(F);
  //屏幕显示计算结果
  memo1.Lines.LoadFromFile('d:\delphi_shu\p4\d4r16.dat');
end;