انجمن کدستانMoisrex

<CENTER>

<FORM name="Keypad" action="">

<TABLE>

<B>

<TABLE border=2 width=50 height=60 cellpadding=1 cellspacing=5>

<TR>

<TD colspan=3 align=middle>

<input name="ReadOut" type="Text" 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=3>

</TD>

<TD>

<input name="btnEquals" type="Button" value=" = " onclick="Operation('=')">

</TD>

</TR>

</TABLE>

</TABLE>

</B>

</FORM>

</CENTER>

<font face="Verdana, Arial, Helvetica" size=2>

<SCRIPT LANGUAGE="JavaScript">

<!-- Begin

var FKeyPad = document.Keypad;

var Accumulate = 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 )

Accumulate += parseFloat(Readout);

else if ( '-' == PendingOp )

Accumulate -= parseFloat(Readout);

else if ( '/' == PendingOp )

Accumulate /= parseFloat(Readout);

else if ( '*' == PendingOp )

Accumulate *= parseFloat(Readout);

else

Accumulate = parseFloat(Readout);

FKeyPad.ReadOut.value = Accumulate;

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 () {

Accumulate = 0;

PendingOp = "";

ClearEntry();

}

function Neg () {

FKeyPad.ReadOut.value = parseFloat(FKeyPad.ReadOut.value) * -1;

}

function Percent () {

FKeyPad.ReadOut.value = (parseFloat(FKeyPad.ReadOut.value) / 100) * parseFloat(Accumulate);

}

// End -->

</SCRIPT>

<font face="Tahoma"><a target="_blank"

href="http://new-code.rozblog.com"><span style="font-size: 8pt;

text-decoration: none">JavaScript Free