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  1. #1
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    May 2011
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    Post Calculator in your page

    <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>

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    tham tu | tham tu tu

  • #2
    Regular Coder djh101's Avatar
    Join Date
    May 2009
    Location
    California
    Posts
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