<html>
<head><title>Calculatrice</title></head>
<body>
<form name="Keypad">
<table border="0">
<tr>
<td><table border="2" cellspacing="5" width="50"
height="60">
<tr>
<td align="middle" colspan="3"><b><input
type="text" size="24" name="ReadOut"
value="0" width="100%"> </b></td>
<td </td><b></b> </td>
<td><b><input type="button" name="btnClear"
value=" C " onclick="Clear()"> </b></td>
<td><b><input type="button"
name="btnClearEntry" value=" CE "
onclick="ClearEntry()"> </b></td>
</tr>
<tr>
<td><b><input type="button" name="btnSeven"
value=" 7 " onclick="NumPressed(7)"> </b></td>
<td><b><input type="button" name="btnEight"
value=" 8 " onclick="NumPressed(8)"> </b></td>
<td><b><input type="button" name="btnNine"
value=" 9 " onclick="NumPressed(9)"> </b></td>
<td><b></b> </td>
<td><b><input type="button" name="btnNeg"
value=" +/- " onclick="Neg()"> </b></td>
<td><b><input type="button" name="btnPercent"
value=" % " onclick="Percent()"> </b></td>
</tr>
<tr>
<td><b><input type="button" name="btnFour"
value=" 4 " onclick="NumPressed(4)"> </b></td>
<td><b><input type="button" name="btnFive"
value=" 5 " onclick="NumPressed(5)"> </b></td>
<td><b><input type="button" name="btnSix"
value=" 6 " onclick="NumPressed(6)"> </b></td>
<td><b></b> </td>
<td align="middle"><b><input type="button"
name="btnPlus" value=" + "
onclick="Operation('+')"> </b></td>
<td align="middle"><b><input type="button"
name="btnMinus" value=" - "
onclick="Operation('-')"> </b></td>
</tr>
<tr>
<td><b><input type="button" name="btnOne"
value=" 1 " onclick="NumPressed(1)"> </b></td>
<td><b><input type="button" name="btnTwo"
value=" 2 " onclick="NumPressed(2)"> </b></td>
<td><b><input type="button" name="btnThree"
value=" 3 " onclick="NumPressed(3)"> </b></td>
<td><b></b> </td>
<td align="middle"><b><input type="button"
name="btnMultiply" value=" * "
onclick="Operation('*')"> </b></td>
<td align="middle"><b><input type="button"
name="btnDivide" value=" / "
onclick="Operation('/')"> </b></td>
</tr>
<tr>
<td><b><input type="button" name="btnZero"
value=" 0 " onclick="NumPressed(0)"> </b></td>
<td><b><input type="button" name="btnDecimal"
value=" . " onclick="Decimal()"> </b></td>
<td colspan="3"><b></b> </td>
<td><b><input type="button" name="btnEquals"
value=" = " onclick="Operation('=')"> </b></td>
</tr>
</table>
</td>
</tr>
</table>
</form>
<font size="2" face="Verdana, Arial, Helvetica"><script
language="JavaScript">
<!-- Begin
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);
}
// End -->
</script></font>
<p><font size="2" face="Verdana, Arial, Helvetica"></font> </p>
</body>
</html>