<%@ Language=JavaScript EnableSessionState=False%><!--
Copyright (C) Josh Poley. All rights reserved.

HP 48G Calculator

http://en.wikipedia.org/wiki/HP-48_series

Hewlett Packard, HP, and the HP logo are all registered 
trademarks of the Hewlett-Packard Development Company, 
L.P. (http://www.hp.com)
-->
<HTML>
<HEAD>
<TITLE>HP 48G</TITLE>
<LINK REL="SHORTCUT ICON" HREF="hp48sm.ico">
<META NAME="description" CONTENT="Online HP48 Calculator"/>
<META NAME="keywords" CONTENT="HP48, Calculator, Graphing Calculator, Scientific Calculator, Complex Numbers, JavaScript, RPN"/>
<STYLE>
.MAIN { background-color:#2B455E;
        scrollbar-Arrow-Color:#2B455E; scrollbar-Highlight-Color:#AAAADD; scrollbar-3d-Light-Color:#AAAADD; 
        scrollbar-DarkShadow-Color:#000011; scrollbar-Track-Color:#2B455E; scrollbar-Base-Color:#5A919E; 
        }
.MAIN TD { color:#EEF7FF; font:bold 8pt Arial; }
A { font:bold 8pt Arial; color:#EEF7FF; text-decoration:none; }
A:visited { color:#EEF7FF; }
A:hover { color:#CED7DF; }
.DISPLAY { background-color:#7DB78E; color:#246F84; font:bold 12pt Courier New; border:inset 4 #314151; }
.DISPLAY TD { color:#246F84; font:bold 12pt Courier New; }
.DISPLAY_BUTTON TD { background-color:#246F84; color:#7DB78E; font:bold 8pt Courier New; cursor:default; }
.DISPLAY_BUTTON_DIR { border-top:solid 2px #246F84; }
.DISPLAY_BUTTON_DIRTEXT { border-top:solid 2px #7DB78E; }
.DISPLAY INPUT { background-color:#7DB78E; color:#246F84; font:bold 12pt Courier New; border:solid 1px #246F84; }
.BUTTON_BACK { background-color:#2E526C; }
.BTN_SOFT { width:35; height:15; background-color:#CAE0ED; color:#EEF7FF; font:bold 4pt Arial; border-color:#2B3A51; padding:0; }
.BTN_SM { width:35; background-color:#1F3950; color:#EEF7FF; font:bold 8pt Arial; border-color:#8CA3C3; padding:0; }
.BTN_SM_ENTER { width:87; background-color:#1F3950; color:#EEF7FF; font:bold 8pt Arial; border-color:#8CA3C3; padding:0; }
.BTN_SM_SHIFT { width:35; background-color:#1F3950; color:#90A3F2; font:bold 8pt Arial; border-color:#8CA3C3; padding:0; }
.BTN_SM_ALT { width:35; background-color:#1F3950; color:#64C1E2; font:bold 8pt Arial; border-color:#8CA3C3; padding:0; }
.BTN_LG { width:45; background-color:#1F3950; color:#EEF7FF; font:bold 9pt Arial; border-color:#8CA3C3; padding:0; }
.SHIFT { font:normal 7pt Arial; color:#90A3F2; cursor:default; padding-right:5; }
.ALT { font:normal 7pt Arial; color:#64C1E2; cursor:default; padding-left:0; }
.KEYBOARD { color:#EEF7FF; font:normal 6pt Arial; vertical-align:sub; cursor:default; }
.DEBUGGER { padding:5; color:#EEF7FF; font:bold 8pt Arial; }
.GRAPH { width=350; position:relative; display:none; padding:20; background-color:#5A919E; color:#EEF7FF; font:italic 8pt Arial; border:groove 3 black;" }
</STYLE>
</HEAD>

<SCRIPT LANGUAGE="javascript" SRC="objects.js"></SCRIPT>
<SCRIPT>
// debug settings
var debugKeyPress = false;
var debugUnhandledKeys = false;

// button state
var modifierShift = false;
var modifierAlt = false;
var modifierAlpha = false;

var appVersion = "1.0.0004";

//
// globals which we want to allow in user expressions
//
var π = new Number2(Math.PI);
var e = new Number2(Math.E);
var i = new Complex(0, 1); // this means we can't use 'i' as a temp variable

//
// function aliases
//
var abs = Math.abs;
var acos = Math.acos;
var asin = Math.asin;
var atan = Math.atan;
var atan2 = Math.atan2;
var cos = Math.cos;
var exp = Math.exp;
var log = Math.log;
var pow = Math.pow;
var sin = Math.sin;
var sqrt = Math.sqrt;
var tan = Math.tan;

//
// 
//
var zero = new Number2(0);
var one = new Number2(1);
var ten = new Number2(10);
</SCRIPT>

<SCRIPT LANGUAGE="javascript" SRC="utils.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="functions.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="stack.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="input.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="soft.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="graphing.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="app_math.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="app_plot.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="app_symbolic.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="app_stack.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="app_library.js"></SCRIPT>
<SCRIPT LANGUAGE="javascript" SRC="app_filesystem.js"></SCRIPT>

<BODY ONKEYPRESS="OnKey()" ONKEYUP="OnKeyUp()" ONKEYDOWN="OnKeyDown()" CLASS=MAIN MARGINHEIGHT=10 MARGINWIDTH=10 ID=BODY>

<TABLE WIDTH=100% BORDER=0><TR><TD>

<TABLE BORDER=0 STYLE="background-color:#5A919E; border:groove 3 black;">
<TR><TD><TABLE CELLPADDING=0 CELLSPACING=0 BORDER=0 STYLE="cursor:default;margin:10 10 0 10" WIDTH=340 >
    <TR>
    <TD WIDTH=46><A HREF="http://www.hp.com/" TARGET=_blank><IMG SRC="hp_logo.png" HEIGHT=25 BORDER=0></A></TD>
    <TD WIDTH=60>HEWLETT<BR />PACKARD</TD>
    <TD VALIGN=BOTTOM><SPAN STYLE="font-size:12pt; font-style:italic;">48G</SPAN></TD>
    <TD ALIGN=RIGHT VALIGN=TOP><A HREF="help.html" TARGET=_blank>Help</A><BR /><A HREF="privacy.html" TARGET=_blank>Privacy</A></TD>
    </TR>
    </TABLE>
    </TD></TR>

<TR><TD ALIGN=CENTER STYLE="">
    <TABLE CLASS=DISPLAY CELLPADDING=0 CELLSPACING=0 BORDER=0 WIDTH=320 STYLE="padding:5 5 5 5;margin:10 10 0 10">
    <TR><TD STYLE="padding:5 5 0 5;"> <!-- status -->
        <TABLE CELLPADDING=0 CELLSPACING=0 WIDTH=320 STYLE='table-layout:fixed'><TR ALIGN=CENTER><TD TITLE='Angle Format' ONDBLCLICK="KeyG(true)"><SMALL ID=DISPLAY_ANGLE></SMALL></TD><TD TITLE='Shift Modifier'><SMALL ID=DISPLAY_SHIFT></SMALL></TD><TD TITLE='Alt Modifier'><SMALL ID=DISPLAY_ALT></SMALL></TD><TD TITLE='Alpha Modifier'><SMALL ID=DISPLAY_ALPHA></SMALL></TD><TD TITLE='Base'><SMALL ID=DISPLAY_BASE></SMALL></TD></TR></TABLE>
        </TD></TR>
    <TR><TD STYLE="padding:0 5 0 5;"> <!-- info -->
        <TABLE CELLPADDING=0 CELLSPACING=0 WIDTH=320 STYLE="padding-bottom:3; border-bottom:solid 1px #246F84"><TR><TD><SMALL ID=DISPLAY_DIR>{ HOME }</SMALL></TD><TD ALIGN=RIGHT><SMALL ID=DISPLAY_TIME>&nbsp;</SMALL></TD></TR></TABLE>
        </TD></TR>
    <TR><TD> <!-- stack -->
        <DIV ID=DISPLAY_STACK></DIV>
        </TD></TR>
    <TR><TD ALIGN=CENTER STYLE="padding-top:5;"> <!-- input -->
        <INPUT TYPE=TEXT ID=DISPLAY_INPUT STYLE="width:320"/>
        </TD></TR>
    <TR><TD ALIGN=CENTER > <!-- soft button text -->
        <TABLE CELLSPACING=1 CELLPADDING=1 WIDTH=320 STYLE='table-layout:fixed;padding:0 0 0 0;margin:5 0 0 0;' CLASS=DISPLAY_BUTTON ID=DISPLAY_SOFT_BUTTONS><TR ALIGN=CENTER>
            <TD ID=SOFTTEXT1 ONCLICK="RawInput(118)" NOWRAP>&nbsp;</TD>
            <TD ID=SOFTTEXT2 ONCLICK="RawInput(119)" NOWRAP></TD>
            <TD ID=SOFTTEXT3 ONCLICK="RawInput(120)" NOWRAP></TD>
            <TD ID=SOFTTEXT4 ONCLICK="RawInput(121)" NOWRAP></TD>
            <TD ID=SOFTTEXT5 ONCLICK="RawInput(122)" NOWRAP></TD>
            <TD ID=SOFTTEXT6 ONCLICK="RawInput(123)" NOWRAP></TD>
            </TR></TABLE>
        </TD></TR>
    </TABLE></TD></TR>

<TR><TD ALIGN=CENTER><TABLE WIDTH=330 STYLE="margin:10 10 0 10; table-layout:fixed;" BORDER=0 CELLPADDING=0 CELLSPACING=1>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=18>
        <TD><INPUT CLASS=BTN_SOFT ID=SOFT1 TYPE=button ONCLICK="Input('a')" /><SPAN CLASS=KEYBOARD>A</SPAN></TD>
        <TD><INPUT CLASS=BTN_SOFT ID=SOFT2 TYPE=button ONCLICK="Input('b')" /><SPAN CLASS=KEYBOARD>B</SPAN></TD>
        <TD><INPUT CLASS=BTN_SOFT ID=SOFT3 TYPE=button ONCLICK="Input('c')" /><SPAN CLASS=KEYBOARD>C</SPAN></TD>
        <TD><INPUT CLASS=BTN_SOFT ID=SOFT4 TYPE=button ONCLICK="Input('d')" /><SPAN CLASS=KEYBOARD>D</SPAN></TD>
        <TD><INPUT CLASS=BTN_SOFT ID=SOFT5 TYPE=button ONCLICK="Input('e')" /><SPAN CLASS=KEYBOARD>E</SPAN></TD>
        <TD><INPUT CLASS=BTN_SOFT ID=SOFT6 TYPE=button ONCLICK="Input('f')" /><SPAN CLASS=KEYBOARD>F</SPAN></TD>
        </TR>
</TABLE></TD></TR>

<TR><TD ALIGN=CENTER CLASS=BUTTON_BACK >
<TABLE WIDTH=330 STYLE="margin:10 10 0 10; table-layout:fixed;" BORDER=0 CELLPADDING=0 CELLSPACING=1>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyG(true)">RAD</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('g')" VALUE="MTH" /><SPAN CLASS=KEYBOARD>G</SPAN></TD>
        <TD><SPAN CLASS=ALT ONCLICK="KeyH(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('h')" VALUE="&nbsp;" /><SPAN CLASS=KEYBOARD>H</SPAN></TD>
        <TD><SPAN CLASS=ALT ONCLICK="KeyI(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('i')" VALUE="&nbsp;" /><SPAN CLASS=KEYBOARD>I</SPAN></TD>
        <TD><SPAN CLASS=ALT ONCLICK="KeyJ(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('j')" VALUE="VAR" /><SPAN CLASS=KEYBOARD>J</SPAN></TD>
        <TD><SPAN CLASS=ALT ONCLICK="KeyK(true)">STACK</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('k')" VALUE="&#x25B2;" /><SPAN CLASS=KEYBOARD>K</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyL(true)">PREV</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('l')" VALUE="NXT" /><SPAN CLASS=KEYBOARD>L</SPAN></TD>
        </TR>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyM(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('m')" VALUE="'" /><SPAN CLASS=KEYBOARD>M</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyN(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('n')" VALUE="STO" /><SPAN CLASS=KEYBOARD>N</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyO(true)">RPT</SPAN><SPAN CLASS=ALT ONCLICK="KeyO(false, true)">UNDO</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('o')" VALUE="EVAL" /><SPAN CLASS=KEYBOARD>O</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyP(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('p')" VALUE="&#x25C4;" /><SPAN CLASS=KEYBOARD>P</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyQ(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('q')" VALUE="&#x25BC;" /><SPAN CLASS=KEYBOARD>Q</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyR(true)">SWAP</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('r')" VALUE="&#x25BA;" /><SPAN CLASS=KEYBOARD>R</SPAN></TD>
        </TR>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyS(true)">ASIN</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('s')" VALUE="SIN" /><SPAN CLASS=KEYBOARD>S</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyT(true)">ACOS</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('t')" VALUE="COS" /><SPAN CLASS=KEYBOARD>T</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyU(true)">ATAN</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('u')" VALUE="TAN" /><SPAN CLASS=KEYBOARD>U</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyV(true)">x&#x00B2;</SPAN><SPAN CLASS=ALT ONCLICK="KeyV(false, true)">&#x02DF;&#x221A;Y&#x0305;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('v')" VALUE="&#x221A;x&#x0305;" /><SPAN CLASS=KEYBOARD>V</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyW(true)">10&#x02DF;</SPAN><SPAN CLASS=ALT ONCLICK="KeyW(false, true)">LOG</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('w')" VALUE="y&#x02DF;" /><SPAN CLASS=KEYBOARD>W</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyX(true)">e&#x02DF;</SPAN><SPAN CLASS=ALT ONCLICK="KeyX(false, true)">LN</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('x')" VALUE="&#x00B9;&#x2044;&#x2093;" /><SPAN CLASS=KEYBOARD>X</SPAN></TD>
        </TR>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD COLSPAN=2 STYLE="padding:0;margin:0;"><SPAN CLASS=SHIFT ONCLICK="KeyEnter(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM_ENTER TYPE=button ONCLICK="Input('\r')" VALUE="ENTER" /><SPAN CLASS=KEYBOARD>&nbsp;&nbsp;</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyY(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('y')" VALUE="±" /><SPAN CLASS=KEYBOARD>Y</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyZ(true)">PURG</SPAN><SPAN CLASS=ALT ONCLICK="KeyZ(false, true)">ARG</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="Input('z')" VALUE="EEX" /><SPAN CLASS=KEYBOARD>Z</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyDel(true)">CLEAR</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="RawInput(KEYCODE_DEL)" VALUE="DEL" /><SPAN CLASS=KEYBOARD>&nbsp;</SPAN></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyBackspace(true)">DROP</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="RawInput(KEYCODE_BKSPC)" VALUE="&#x2190;" /><SPAN CLASS=KEYBOARD>&nbsp;</SPAN></TD>
        </TR>
</TABLE>
<TABLE CLASS=BUTTON_BACK WIDTH=330 STYLE="margin:0 10 10 10; table-layout:fixed;" BORDER=0 CELLPADDING=0 CELLSPACING=2>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD><SPAN CLASS=SHIFT>&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="SpecialKeyInput(17)" TITLE="Alpha Toggle" VALUE="Ctrl" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key7(false, true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('7')" VALUE="7" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key8(false, true)">PLOT</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('8')" VALUE="8" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key9(false, true)">SYMBOLIC</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('9')" VALUE="9" /></TD>
        <TD><SPAN CLASS=SHIFT><SPAN ONCLICK="KeyDivide(true)">( </SPAN><SPAN ONCLICK="OnKey(')')">)</SPAN></SPAN><SPAN CLASS=ALT ONCLICK="KeyDivide(false, true)">#</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('/')" VALUE="÷" /></TD>
        </TR>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD><INPUT CLASS=BTN_SM_SHIFT TYPE=button VALUE="Shft" ONCLICK="SpecialKeyInput(16)" TITLE="Purple Shift" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key4(false, true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('4')" VALUE="4" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key5(false, true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('5')" VALUE="5" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key6(false, true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('6')" VALUE="6" /></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyTimes(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('*')" VALUE="&times;" /></TD>
        </TR>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD STYLE="background-color:#436A87"><INPUT CLASS=BTN_SM_ALT TYPE=button VALUE="Alt" ONCLICK="SpecialKeyInput(18)" TITLE="Green Alt" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key1(false, true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('1')" VALUE="1" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key2(false, true)">LIBRARY</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('2')" VALUE="2" /></TD>
        <TD STYLE="background-color:#436A87"><SPAN CLASS=ALT ONCLICK="Key3(false, true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('3')" VALUE="3" /></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyMinus(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('-')" VALUE="-" /></TD>
        </TR>
    <TR ALIGN=CENTER VALIGN=BOTTOM HEIGHT=38>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyOn(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_SM TYPE=button ONCLICK="RawInput(27)" VALUE="ESC" TITLE="Cancel" /></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="Key0(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('0')" VALUE="0" /></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyPeriod(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('.')" VALUE="." /></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeySpc(true)">&#x03C0;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input(' ')" VALUE="SPC" /></TD>
        <TD><SPAN CLASS=SHIFT ONCLICK="KeyPlus(true)">&nbsp;</SPAN><BR><INPUT CLASS=BTN_LG TYPE=button ONCLICK="Input('+')" VALUE="+" /></TD>
        </TR>
</TABLE></TD></TR>
</TABLE>

<DIV ID=DEBUG CLASS=DEBUGGER></DIV>
</TD>

<SCRIPT>


// settings
var base = GetCookieInt("base", 10);
var radians = GetCookieBool("radians", false);
var showDate = GetCookieBool("showDate", false);

var SOFTTEXT_LIST = new Array(SOFTTEXT1, SOFTTEXT2, SOFTTEXT3, SOFTTEXT4, SOFTTEXT5, SOFTTEXT6);


LoadFilesystem(); // load the filesystem from the cookies

// restore the soft menu and the stack
SetSoftMenu(GetCookie("softMenu", null));
pageOffset = GetCookieInt("pageOffset", 0);

var index = GetCookie("stack", "");
if(index != "")
    {
    var stackParts = index.split("~|~");
    index = 0;
    for(index in stackParts)
        {
        stack[index] = CreateObject(stackParts[index]);
        }
    }


ReDraw(null);

// start the clock tick
setTimeout("Tick()", 1000);


//for(index in document)
//    DebugPrint("document["+index+"]: " + document[index]);

function ReDraw(obj)
    {
    var today = new Date();

    if(obj == DISPLAY_ANGLE || obj == null) DISPLAY_ANGLE.innerHTML = (radians?"RAD":"DEG");
    if(obj == DISPLAY_SHIFT || obj == null) DISPLAY_SHIFT.innerHTML = (modifierShift?"SHIFT":"");
    if(obj == DISPLAY_ALT || obj == null) DISPLAY_ALT.innerHTML = (modifierAlt?"ALT":"");
    if(obj == DISPLAY_ALPHA || obj == null) DISPLAY_ALPHA.innerHTML = (modifierAlpha?"&#x03B1;":"");
    if(obj == DISPLAY_BASE || obj == null) DISPLAY_BASE.innerHTML = ""+base;
    if(obj == DISPLAY_TIME || obj == null)
        {
        if(showDate)
            DISPLAY_TIME.innerHTML = FormatDate(today);
        else
            DISPLAY_TIME.innerHTML = "";
        }
    if(obj == DISPLAY_DIR || obj == null)
        {
        DISPLAY_DIR.innerHTML = "{ " + currentDir.replace(/\_/g, " ") + " } ";
        }

    if(obj == DISPLAY_STACK || obj == null)
        {
        var rows = "";
        var index = stack.length-1;
        if(index > STACK_DISPLAY_MAX-1) index = STACK_DISPLAY_MAX-1;
        if(index < STACK_DISPLAY_MIN-1) index = STACK_DISPLAY_MIN-1;
        for(; index>=0; index--)
            {
            if(index >= stack.length)
                rows += "<TR><TD>" + (index+1) + ":</TD><TD WIDTH=300></TD></TR>";
            else
                rows += "<TR VALIGN=TOP><TD>" + (index+1) + ":</TD><TD WIDTH=300 ALIGN=RIGHT>" + stack[stack.length-index-1].toString(base) + "</TD></TR>";
            }
            
        DISPLAY_STACK.innerHTML = "<TABLE WIDTH=100% BORDER=0>" + rows + "</TABLE>";
        }

    if(obj == DISPLAY_SOFT_BUTTONS || obj == null)
        {
        for(index=0; index<SOFTTEXT_LIST.length; index++)
            {
            var text = "&nbsp;";
            if(softMenu && (index+pageOffset < softMenu.length))
                {
                text = softMenu[index+pageOffset].name;
                if(softMenu[index+pageOffset].type == SOFT_TYPE_DIR) text = "<SPAN CLASS='DISPLAY_BUTTON_DIR'>" + text + "</SPAN>";
                }
            SOFTTEXT_LIST[index].innerHTML = text;
            }
        }
    }

function Tick()
    {
    ReDraw(DISPLAY_TIME);
    setTimeout("Tick()", 1000);
    }

</SCRIPT>


<TD ALIGN=LEFT>
<DIV ID=GRAPH CLASS=GRAPH></DIV>
</TD>

</TR>
</TABLE>

<SCRIPT LANGUAGE="JavaScript">
var pagetitle = document.title;
var action = "";
var amount = "0";
var order = "";

var scriptlocation = "/stats/track.asp";
var pagedata = 'mtpt=' + escape(pagetitle) + '&mtac=' + escape(action) + '&mta=' + amount + '&mto=' + escape(order) + '&mtr=' + escape(document.referrer) + '&mtt=2&mts=' + window.screen.width + 'x' + window.screen.height + '&mti=1&mtz=' + Math.random();
document.write ('<img height=1 width=1 src="' + scriptlocation + '?' + pagedata + '">');
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</BODY>
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