非常酷的计算器
<STYLE type=text/css>TD {
COLOR: #ffffff; FONT: 9pt "宋体"
}
.Button {
BACKGROUND: #242424; BORDER-BOTTOM-COLOR: #333333; BORDER-LEFT-COLOR: #cccccc; BORDER-RIGHT-COLOR: #333333; BORDER-TOP-COLOR: #cccccc; COLOR: #FFFFFF; FONT: bold 9pt "宋体"; HEIGHT: 20px; MARGIN: 4px; WIDTH: 40px
; border-top-width: 2px; border-right-width: 2px; border-bottom-width: 2px; border-left-width: 2px}
.text_input {
BACKGROUND: #cccccc; COLOR: #000000; FONT: 9pt "Verdana", "Arial", "Helvetica", "sans-serif"; TEXT-ALIGN: right
}
A {
COLOR: #ffffff; FONT: normal 9pt "宋体"; text-decoration: none}
</STYLE>
<form action="" name=Keypad>
<table bgcolor=#D4D0C8 border=1 cellpadding=0 cellspacing=0 height=60 width=249>
<tbody>
<tr>
<td align=middle colspan=4>
<input class=text_input name=ReadOut size=30
value=0 width="100%">
</td>
<td width=0></td>
<td width=50>
<input class=Button name=btnClear onClick=Clear() type=button value=" C ">
</td>
<td>
<input class=Button name=btnClearEntry2 onClick=ClearEntry() type=button value=" CE ">
</td>
</tr>
<tr>
<td width=50>
<input class=Button name=btnSeven onClick=NumPressed(7) type=button value=" 7 ">
</td>
<td width=50>
<input class=Button name=btnEight onClick=NumPressed(8) type=button value=" 8 ">
</td>
<td width=50>
<input class=Button name=btnNine onClick=NumPressed(9) type=button value=" 9 ">
</td>
<td width=50>
<input class=Button name=btnHex onClick=hexchange() type=button value=HEX>
</td>
<td width=0></td>
<td width=50>
<input class=Button name=btnNeg onClick=Neg() type=button value=" +/- ">
</td>
<td>
<input class=Button name=btnPercent onClick=Percent() type=button value=" % ">
</td>
</tr>
<tr>
<td width=50>
<input class=Button name=btnFour onClick=NumPressed(4) type=button value=" 4 ">
</td>
<td width=50>
<input class=Button name=btnFive onClick=NumPressed(5) type=button value=" 5 ">
</td>
<td width=50>
<input class=Button name=btnSix onClick=NumPressed(6) type=button value=" 6 ">
</td>
<td width=50>
<input class=Button name=btnClearEntry222 onClick=octchange() type=button value=OCT>
</td>
<td width=0></td>
<td align=middle width=50>
<input class=Button name=btnPlus onClick="Operation('+')" type=button value=" + ">
</td>
<td align=middle>
<input class=Button name=btnMinus onClick="Operation('-')" type=button value=" - ">
</td>
</tr>
<tr>
<td width=50>
<input class=Button name=btnOne onClick=NumPressed(1) type=button value=" 1 ">
</td>
<td width=50>
<input class=Button name=btnTwo onClick=NumPressed(2) type=button value=" 2 ">
</td>
<td width=50>
<input class=Button name=btnThree onClick=NumPressed(3) type=button value=" 3 ">
</td>
<td width=50>
<input class=Button name=btnClearEntry223 onClick=binchange() type=button value=BIN>
</td>
<td width=0></td>
<td align=middle width=50>
<input class=Button name=btnMultiply onClick="Operation('*')" type=button value=" * ">
</td>
<td align=middle>
<input class=Button name=btnDivide onClick="Operation('/')" type=button value=" / ">
</td>
</tr>
<tr>
<td width=50>
<input class=Button name=btnZero onClick=NumPressed(0) type=button value=" 0 ">
</td>
<td width=50>
<input class=Button name=btnDecimal onClick=Decimal() type=button value=" . ">
</td>
<td colspan=4>
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</td>
<td colspan=5>
<input class=Button name=btnEquals onClick="Operation('=')" type=button value=" = ">
</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);
}