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<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>智能计算器</title>
<link href="../inc/hoyiso_in.css" rel="stylesheet" type="text/css">
</head>
<body>
<table border="0" cellpadding="4" cellspacing="0" width="700" align="center">
<tr><td height="7" colspan="2"></td></tr>
<tr bgcolor="#F0F4FF"><td><b>当前位置：<a href="../index.htm" class="title">首页</a>＞<a href="index.htm" class="title">实用查询工具大全</a>＞智能计算器</b></td>
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</tr>
<tr><td height="14" colspan="2"></td></tr>
</table>
<p align="center" style="color:#FF0000; font-size:14px"><b>智能计算器</b></p>
<br>
<TABLE cellSpacing=0 width="100%" align=center border=0>
<TBODY>
<TR><FONT color=#ff0000 size=2>
<P align=center></FONT>
<TD align=middle>
<FORM name=Keypad action="">
<TABLE height=60 cellSpacing=0 cellPadding=0 width=249 bgColor=#d4d0c8
border=1>
<TBODY>
<TR>
<TD align=middle colSpan=4><INPUT class=text_input size=30 value=0
name=ReadOut width="100%"> </TD>
<TD width=0></TD>
<TD width=50><INPUT class=Button onclick=Clear() type=button value=" C " name=btnClear>
</TD>
<TD><INPUT class=Button onclick=ClearEntry() type=button value=" CE " name=btnClearEntry2>
</TD></TR>
<TR>
<TD width=50><INPUT class=Button onclick=NumPressed(7) type=button value=" 7 " name=btnSeven>
</TD>
<TD width=50><INPUT class=Button onclick=NumPressed(8) type=button value=" 8 " name=btnEight>
</TD>
<TD width=50><INPUT class=Button onclick=NumPressed(9) type=button value=" 9 " name=btnNine>
</TD>
<TD width=50><INPUT class=Button onclick=hexchange() type=button value=HEX name=btnHex>
</TD>
<TD width=0></TD>
<TD width=50><INPUT class=Button onclick=Neg() type=button value=" +/- " name=btnNeg>
</TD>
<TD><INPUT class=Button onclick=Percent() type=button value=" % " name=btnPercent>
</TD></TR>
<TR>
<TD width=50><INPUT class=Button onclick=NumPressed(4) type=button value=" 4 " name=btnFour>
</TD>
<TD width=50><INPUT class=Button onclick=NumPressed(5) type=button value=" 5 " name=btnFive>
</TD>
<TD width=50><INPUT class=Button onclick=NumPressed(6) type=button value=" 6 " name=btnSix>
</TD>
<TD width=50><INPUT class=Button onclick=octchange() type=button value=OCT name=btnClearEntry222>
</TD>
<TD width=0></TD>
<TD align=middle width=50><INPUT class=Button onclick="Operation('+')" type=button value=" + " name=btnPlus>
</TD>
<TD align=middle>
<P align=center><INPUT class=Button onclick="Operation('-')" type=button value=" - " name=btnMinus>
</P></TD></TR>
<TR>
<TD width=50><INPUT class=Button onclick=NumPressed(1) type=button value=" 1 " name=btnOne>
</TD>
<TD width=50><INPUT class=Button onclick=NumPressed(2) type=button value=" 2 " name=btnTwo>
</TD>
<TD width=50><INPUT class=Button onclick=NumPressed(3) type=button value=" 3 " name=btnThree>
</TD>
<TD width=50><INPUT class=Button onclick=binchange() type=button value=BIN name=btnClearEntry223>
</TD>
<TD width=0></TD>
<TD align=middle width=50><INPUT class=Button onclick="Operation('*')" type=button value=" * " name=btnMultiply>
</TD>
<TD align=middle><INPUT class=Button onclick="Operation('/')" type=button value=" / " name=btnDivide>
</TD></TR>
<TR>
<TD width=50><INPUT class=Button onclick=NumPressed(0) type=button value=" 0 " name=btnZero>
</TD>
<TD width=50><INPUT class=Button onclick=Decimal() type=button value=" . " name=btnDecimal>
</TD>
<TD colSpan=4>
<DIV align=center></A></DIV></TD>
<TD colSpan=5><INPUT class=Button onclick="Operation('=')" type=button value=" = " name=btnEquals>
</TD></TR></TBODY></TABLE></FORM>
<SCRIPT language=JavaScript>
var FKeyPad = document.Keypad;
var Accum = 0;
var FlagNewNum = false;
var PendingOp = "";
function NumPressed (Num) {
if (FlagNewNum) {
FKeyPad.ReadOut.value = Num;
FlagNewNum = false;
}
else {
if (FKeyPad.ReadOut.value == "0")
FKeyPad.ReadOut.value = Num;
else
FKeyPad.ReadOut.value += Num;
}
}
function Operation (Op) {
var Readout = FKeyPad.ReadOut.value;
if (FlagNewNum && PendingOp != "=");
else
{
FlagNewNum = true;
if ( '+' == PendingOp )
Accum += parseFloat(Readout);
else if ( '-' == PendingOp )
Accum -= parseFloat(Readout);
else if ( '/' == PendingOp )
Accum /= parseFloat(Readout);
else if ( '*' == PendingOp )
Accum *= parseFloat(Readout);
else
Accum = parseFloat(Readout);
FKeyPad.ReadOut.value = Accum;
PendingOp = Op;
}
}
function Decimal () {
var curReadOut = FKeyPad.ReadOut.value;
if (FlagNewNum) {
curReadOut = "0.";
FlagNewNum = false;
}
else
{
if (curReadOut.indexOf(".") == -1)
curReadOut += ".";
}
FKeyPad.ReadOut.value = curReadOut;
}
function ClearEntry () {
FKeyPad.ReadOut.value = "0";
FlagNewNum = true;
}
function Clear () {
Accum = 0;
PendingOp = "";
ClearEntry();
}
function Neg () {
FKeyPad.ReadOut.value = parseFloat(FKeyPad.ReadOut.value) * -1;
}
function Percent () {
FKeyPad.ReadOut.value = (parseFloat(FKeyPad.ReadOut.value) / 100) * parseFloat(Accum);
}
function hexchange()
{
var hex,dec;
dec = parseFloat(FKeyPad.ReadOut.value);
hex = dec.toString(16);
window.alert("该十进制数转成十六进制数为："+ hex);
}
function octchange()
{
var oct,dec;
dec = parseFloat(FKeyPad.ReadOut.value);
oct = dec.toString(8);
window.alert("该十进制数转成八进制数为："+ oct);
}
function binchange()
{
var bin,dec;
dec = parseFloat(FKeyPad.ReadOut.value);
bin = dec.toString(2);
window.alert("该十进制数转成二进制数为："+ bin);
}
</SCRIPT>
</body>
</html>
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