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    <TD bgColor=#f5f5f5 vAlign=top width=146><FONT size=2><A 
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    <TD bgColor=#f5f5f5 vAlign=bottom width=600><FONT size=2><BR>// 计算器Dlg.cpp 
      : implementation 
      file<BR>/**********************************************************************<BR>　　 
      此计算器为一个简单计算器，具有加、减、乘、除、取余、求平方根<BR>" 六种运算功能，可按优先级高低计算结果，遗憾的是，只最大整数为<BR>" 
      999999999，精度为15位，望以后有所改进。<BR>***********************************************************************/<BR><BR>#include 
      "stdafx.h"<BR>#include "计算器.h"<BR>#include "计算器Dlg.h"<BR>#include 
      &lt;stdlib.h&gt;<BR>#include &lt;math.h&gt;<BR>#include 
      &lt;string.h&gt;<BR>#include "Counter.h"<BR><BR><BR>#ifdef 
      _DEBUG<BR>#define new DEBUG_NEW<BR>#undef THIS_FILE<BR>static char 
      THIS_FILE[] = 
      __FILE__;<BR>#endif<BR><BR>/////////////////////////////////////////////////////////////////////////////<BR>// 
      CAboutDlg dialog used for App About<BR><BR>class CAboutDlg : public 
      CDialog<BR>{<BR>public:<BR>"CAboutDlg();<BR><BR>// Dialog 
      Data<BR>"//{{AFX_DATA(CAboutDlg)<BR>"enum { IDD = IDD_ABOUTBOX 
      };<BR>"//}}AFX_DATA<BR><BR>"// ClassWizard generated virtual function 
      overrides<BR>"//{{AFX_VIRTUAL(CAboutDlg)<BR>"protected:<BR>"virtual void 
      DoDataExchange(CDataExchange* pDX);　　// DDX/DDV 
      support<BR>"//}}AFX_VIRTUAL<BR><BR>// 
      Implementation<BR>protected:<BR>"//{{AFX_MSG(CAboutDlg)<BR>"//}}AFX_MSG<BR>"DECLARE_MESSAGE_MAP()<BR>};<BR><BR>CAboutDlg::CAboutDlg() 
      : 
      CDialog(CAboutDlg::IDD)<BR>{<BR>"//{{AFX_DATA_INIT(CAboutDlg)<BR>"//}}AFX_DATA_INIT<BR>}<BR><BR>void 
      CAboutDlg::DoDataExchange(CDataExchange* 
      pDX)<BR>{<BR>"CDialog::DoDataExchange(pDX);<BR>"//{{AFX_DATA_MAP(CAboutDlg)<BR>"//}}AFX_DATA_MAP<BR>}<BR><BR>BEGIN_MESSAGE_MAP(CAboutDlg, 
      CDialog)<BR>"//{{AFX_MSG_MAP(CAboutDlg)<BR>""// No message 
      handlers<BR>"//}}AFX_MSG_MAP<BR>END_MESSAGE_MAP()<BR><BR>/////////////////////////////////////////////////////////////////////////////<BR>// 
      CMyDlg dialog<BR><BR>CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)<BR>": 
      CDialog(CMyDlg::IDD, 
      pParent)<BR>{<BR>"//{{AFX_DATA_INIT(CMyDlg)<BR>"m_memory = _T(" 
      ");<BR>"m_show = 0.0;<BR>"//}}AFX_DATA_INIT<BR>"// Note that LoadIcon does 
      not require a subsequent DestroyIcon in Win32<BR>"m_hIcon = 
      AfxGetApp()-&gt;LoadIcon(SC);<BR>}<BR><BR>void 
      CMyDlg::DoDataExchange(CDataExchange* 
      pDX)<BR>{<BR>"CDialog::DoDataExchange(pDX);<BR>"//{{AFX_DATA_MAP(CMyDlg)<BR>"DDX_Text(pDX, 
      IDC_EDIT2, m_memory);<BR>"DDX_Text(pDX, IDC_EDIT1, 
      m_show);<BR>"//}}AFX_DATA_MAP<BR>}<BR><BR>BEGIN_MESSAGE_MAP(CMyDlg, 
      CDialog)<BR>"//{{AFX_MSG_MAP(CMyDlg)<BR>"ON_WM_SYSCOMMAND()<BR>"ON_WM_PAINT()<BR>"ON_WM_QUERYDRAGICON()<BR>"ON_EN_CHANGE(IDC_EDIT1, 
      OnChangeEdit1)<BR>"ON_EN_CHANGE(IDC_EDIT2, 
      OnChangeEdit2)<BR>"ON_BN_CLICKED(IDC_BUTTON1, 
      OnButton1)<BR>"ON_BN_CLICKED(IDC_BUTTON2, 
      OnButton2)<BR>"ON_BN_CLICKED(IDC_BUTTON3, 
      OnButton3)<BR>"ON_BN_CLICKED(IDC_BUTTON4, 
      OnButton4)<BR>"ON_BN_CLICKED(IDC_BUTTON5, 
      OnButton5)<BR>"ON_BN_CLICKED(IDC_BUTTON6, 
      OnButton6)<BR>"ON_BN_CLICKED(IDC_BUTTON7, 
      OnButton7)<BR>"ON_BN_CLICKED(IDC_BUTTON8, 
      OnButton8)<BR>"ON_BN_CLICKED(IDC_BUTTON9, 
      OnButton9)<BR>"ON_BN_CLICKED(IDC_BUTTON10, 
      OnButton10)<BR>"ON_BN_CLICKED(IDC_BUTTON11, 
      OnButton11)<BR>"ON_BN_CLICKED(IDC_BUTTON16, 
      OnButton16)<BR>"ON_BN_CLICKED(IDC_BUTTON17, 
      OnButton17)<BR>"ON_BN_CLICKED(IDC_BUTTON18, 
      OnButton18)<BR>"ON_BN_CLICKED(IDC_BUTTON19, 
      OnButton19)<BR>"ON_BN_CLICKED(IDC_BUTTON24, 
      OnButton24)<BR>"ON_BN_CLICKED(IDC_BUTTON25, 
      OnButton25)<BR>"ON_BN_CLICKED(IDC_BUTTON26, 
      OnButton26)<BR>"ON_BN_CLICKED(IDC_BUTTON27, 
      OnButton27)<BR>"ON_BN_CLICKED(IDC_BUTTON20, 
      OnButton20)<BR>"ON_BN_CLICKED(IDC_BUTTON21, 
      OnButton21)<BR>"ON_BN_CLICKED(IDC_BUTTON22, 
      OnButton22)<BR>"ON_BN_CLICKED(IDC_BUTTON23, 
      OnButton23)<BR>"ON_BN_CLICKED(IDC_BUTTON12, 
      OnButton12)<BR>"ON_BN_CLICKED(IDC_BUTTON13, 
      OnButton13)<BR>"ON_BN_CLICKED(IDC_BUTTON14, 
      OnButton14)<BR>"ON_BN_CLICKED(IDC_BUTTON15, OnButton15)<BR>　 
      <BR>"//}}AFX_MSG_MAP<BR>END_MESSAGE_MAP()<BR><BR>/////////////////////////////////////////////////////////////////////////////<BR>// 
      CMyDlg message handlers<BR><BR>BOOL 
      CMyDlg::OnInitDialog()<BR>{<BR>"CDialog::OnInitDialog();<BR><BR>"// Add 
      "About..." menu item to system menu.<BR><BR>"// IDM_ABOUTBOX must be in 
      the system command range.<BR>"ASSERT((IDM_ABOUTBOX &amp; 0xFFF0) == 
      IDM_ABOUTBOX);<BR>"ASSERT(IDM_ABOUTBOX &lt; 0xF000);<BR><BR>"CMenu* 
      pSysMenu = GetSystemMenu(FALSE);<BR>"if (pSysMenu != 
      NULL)<BR>"{<BR>""CString 
      strAboutMenu;<BR>""strAboutMenu.LoadString(IDS_ABOUTBOX);<BR>""if 
      (!strAboutMenu.IsEmpty())<BR>""{<BR>"""pSysMenu-&gt;AppendMenu(MF_SEPARATOR);<BR>"""pSysMenu-&gt;AppendMenu(MF_STRING, 
      IDM_ABOUTBOX, strAboutMenu);<BR>""}<BR>"}<BR><BR>"// Set the icon for this 
      dialog.　The framework does this automatically<BR>"//　when the 
      application's main window is not a dialog<BR>"SetIcon(m_hIcon, TRUE);"""// 
      Set big icon<BR>"SetIcon(m_hIcon, FALSE);""// Set small icon<BR>"<BR>"// 
      TODO: Add extra initialization here<BR>"<BR>"return TRUE;　// return 
      TRUE　unless you set the focus to a control<BR>}<BR><BR>void 
      CMyDlg::OnSysCommand(UINT nID, LPARAM lParam)<BR>{<BR>"if ((nID &amp; 
      0xFFF0) == IDM_ABOUTBOX)<BR>"{<BR>""CAboutDlg 
      dlgAbout;<BR>""dlgAbout.DoModal();<BR>"}<BR>"else<BR>"{<BR>""CDialog::OnSysCommand(nID, 
      lParam);<BR>"}<BR>}<BR><BR>// If you add a minimize button to your dialog, 
      you will need the code below<BR>//　to draw the icon.　For MFC applications 
      using the document/view model,<BR>//　this is automatically done for you by 
      the framework.<BR><BR>void CMyDlg::OnPaint() <BR>{<BR>"if 
      (IsIconic())<BR>"{<BR>""CPaintDC dc(this); // device context for 
      painting<BR><BR>""SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 
      0);<BR><BR>""// Center icon in client rectangle<BR>""int cxIcon = 
      GetSystemMetrics(SM_CXICON);<BR>""int cyIcon = 
      GetSystemMetrics(SM_CYICON);<BR>""CRect 
      rect;<BR>""GetClientRect(&amp;rect);<BR>""int x = (rect.Width() - cxIcon + 
      1) / 2;<BR>""int y = (rect.Height() - cyIcon + 1) / 2;<BR><BR>""// Draw 
      the icon<BR>""dc.DrawIcon(x, y, 
      m_hIcon);<BR>"}<BR>"else<BR>"{<BR>""CDialog::OnPaint();<BR>"}<BR>}<BR><BR>// 
      The system calls this to obtain the cursor to display while the user 
      drags<BR>//　the minimized window.<BR>HCURSOR 
      CMyDlg::OnQueryDragIcon()<BR>{<BR>"return (HCURSOR) 
      m_hIcon;<BR>}<BR><BR>void CMyDlg::OnChangeEdit1() //显示区<BR>{<BR>"// TODO: 
      Add your control notification handler code here<BR>}<BR><BR>void 
      CMyDlg::OnChangeEdit2() //存储区<BR>{<BR>"// TODO: Add your control 
      notification handler code here<BR>}<BR><BR>void CMyDlg::OnButton1() //对 
      backspace 的处理<BR>{<BR><BR>"if (decimal == 1 &amp;&amp; DecimalBit 
      !=　0)　//小数部分<BR>"{<BR>""subscript2--;<BR>""DecimalPart = pow(10,(-1) * 
      DecimalBit) * (num1[subscript2]-'0');<BR>""m_show = m_show -
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