web

<html>
<head>
<title>计算器</title>
</head>
<body bgcolor="#ffffff" onload="FKeyPad.ReadOut.focus();FKeyPad.ReadOut.select();">
<FORM name="Keypad" action="">
<TABLE align="center">
<B>
<TABLE align="center" border=2 width=50 height=60 cellpadding=1 cellspacing=5>
  <TR>
   <TD colspan=3 align=middle><input name="ReadOut" type="Text" onkeypress="CheckOut()" size=24 value="0" width=100%></TD>
   <TD></TD>
   <TD><input name="btnClear" type="Button" value="  C  " onclick="Clear()"></TD>
   <TD><input name="btnClearEntry" type="Button" value="  CE " onclick="ClearEntry()"></TD>
  </TR>
  <TR>
   <TD><input name="btnSeven" type="Button" value="  7  " onclick="NumPressed(7)"></TD>
   <TD><input name="btnEight" type="Button" value="  8  " onclick="NumPressed(8)"></TD>
   <TD><input name="btnNine" type="Button" value="  9  " onclick="NumPressed(9)"></TD>
   <TD></TD>
   <TD><input name="btnNeg" type="Button" value=" +/- " onclick="Neg()"></TD>
   <TD><input name="btnPercent" type="Button" value="  %  " onclick="Percent()"></TD>
  </TR>
  <TR>
   <TD><input name="btnFour" type="Button" value="  4  " onclick="NumPressed(4)"></TD>
   <TD><input name="btnFive" type="Button" value="  5  " onclick="NumPressed(5)"></TD>
   <TD><input name="btnSix" type="Button" value="  6  " onclick="NumPressed(6)"></TD>
   <TD></TD>
   <TD align=middle><input name="btnPlus" type="Button" value="  +  " onclick="Operation('+')"> </TD>
   <TD align=middle><input name="btnMinus" type="Button" value="  -  " onclick="Operation('-')"></TD>
  </TR>
  <TR>
   <TD><input name="btnOne" type="Button" value="  1  " onclick="NumPressed(1)"></TD>
   <TD><input name="btnTwo" type="Button" value="  2  " onclick="NumPressed(2)"></TD>
   <TD><input name="btnThree" type="Button" value="  3  " onclick="NumPressed(3)"></TD>
   <TD></TD>
   <TD align=middle><input name="btnMultiply" type="Button" value="  *  " onclick="Operation('*')"></TD>
   <TD align=middle><input name="btnDivide" type="Button" value="  /  " onclick="Operation('/')"></TD>
  </TR>
  <TR>
   <TD><input name="btnZero" type="Button" value="  0  " onclick="NumPressed(0)"></TD>
   <TD><input name="btnDecimal" type="Button" value="  .  " onclick="Decimal()"></TD>
   <TD colspan=2></TD>
   <TD><input name="btnEquals" type="Button" value="  =  " onclick="Operation('=')"></TD>
   <TD><input name="btnReturn" type="Button" value="返回" onclick="goReturn()"></TD>
  </TR>
</TABLE>
</TABLE>
</B>
</FORM>
</CENTER>
<font face="Verdana, Arial, Helvetica" size=2>
<SCRIPT LANGUAGE="JavaScript">

</SCRIPT>
</body>
</html>本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/suyogi/archive/2004/10/13/135435.aspx
http://www.51aspx.com/
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>计算器</title>
</head><body>
<script type="text/vbscript">
on error resume next
dim expression
sub addv(cv)
cv=trim(cv)
if( (cv="+") or (cv="-") or (cv="*") or (cv="\")) then
    document.f1.resu.value=""
if (right(expression,1)="" or right(expression,1)="+" or right(expression,1)="-" or right(expression,1)="*" or right(expression,1)="\" )then
       msgbox("这样无法计算")
   expression=""
   exit sub
    end if
end if
expression=expression&cv
document.f1.resu.value=expression
end sub
sub compute()
document.f1.resu.value=eval(expression)
expression=document.f1.resu.value
end sub
sub crt()
expression=""
document.f1.resu.value=""
end sub
</script>
<form name="f1">
  <div align="center">
    <table width="200" border="1" cellspacing="0" cellpadding="0">
      <tr>
        <td colspan="4" align="center">计算机</td>
      </tr>
      <tr>
        <td colspan="4"><div align="center">
          <input type="text" name="resu">
        </div></td>
      </tr>
      <tr>
        <td><div align="center">
          <input type="button" value=" 1 " name="v1" onClick="addv('1')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" 2 " name="v2" onClick="addv('2')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" 3 " name="v3" onClick="addv('3')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" + " name="plus" onClick="addv('+')">
        </div></td>
      </tr>
      <tr>
        <td><div align="center">
          <input type="button" value=" 4 " name="v4" onClick="addv('4')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" 5 " name="v5" onClick="addv('5')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" 6 " name="v6" onClick="addv('6')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" - " name="minu" onClick="addv('-')">
        </div></td>
      </tr>
      <tr>
        <td><div align="center">
          <input type="button" value=" 7 " name="v7" onClick="addv('7')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" 8 " name="v8" onClick="addv('8')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" 9 " name="v9" onClick="addv('9')">
        </div></td>
        <td><div align="center">
          <input type="button" value=" * " name="mult" onClick="addv('*')">
        </div></td>
      </tr>
      <tr>
        <td colspan="2"><div align="center">
          <input type="button" value="    =    " name="eqal" onClick="compute()">
        </div></td>
<td><input type="button" value=" CR " name="cr" onClick="crt()"></td>
        <td><div align="center">
          <input type="button" value=" \ " name="divi" onClick="addv('\')">
        </div></td>
      </tr>
    </table>
  </div>
</form>
</body>
</html>

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