<SCRIPT LANGUAGE="javascript"> var computed = false; var memory = 0; var bin = 0; function addChar(input, character) { if (computed) reset(); if (input.value == null || input.value == '0') input.value = character; else { input.value += character; computed = false; } } function reset() { document.f.display.value=0; document.f.stack.value=0; computed = false; } function swipe() { document.f.stack.value=0; computed=true; } function wipe() { document.f.display.value=''; computed=false; } function newSlate() { reset(); memory=0; bin=0; } function deleteChar(input) { input.value = input.value.substring(0, input.value.length - 1); computed = false; } function changeSign(input) { if(input.value.substring(0, 1) == '-') input.value = input.value.substring(1, input.value.length); else input.value = '-' + input.value; computed = false; } function testFirst() { var a = (document.f.stack.value.substring(0,1)); if (a == '-' || a == '.' || a == '0' || a== '1' || a == '2' || a =='3' || a == '4' || a == '5' || a == '6' || a == '7' || a == '8' || a == '9') testLast() else alert('Error... Enter Number First!'); computed = true; } function testLast() { var b = (document.f.stack.value.substring(document.f.stack.value.length,document.f.stack.value.length-1)) if (b == '0' || b == '1' || b == '2' || b =='3' || b == '4' || b == '5' || b == '6' || b == '7' || b == '8' || b == '9') goOperation() else alert('Error... Entry Incomplete!'); computed = true; } function goOperation() { document.f.display.value=eval(document.f.stack.value) * 100.00 /100.00; computed = true; } function cos() { document.f.display.value=Math.cos(document.f.display.value); swipe(); computed=true; } function acos() { document.f.display.value=Math.acos(document.f.display.value); swipe(); computed=true; } function sin() { document.f.display.value=Math.sin(document.f.display.value); swipe(); computed=true; } function asin() { document.f.display.value=Math.asin(document.f.display.value); swipe(); computed=true; } function tan() { document.f.display.value=Math.tan(document.f.display.value); swipe(); computed=true; } function atan() { document.f.display.value=Math.atan(document.f.display.value); swipe(); computed=true; } function log() { document.f.display.value=Math.log(document.f.display.value); swipe(); computed=true; } function exp() { document.f.display.value=Math.exp(document.f.display.value); swipe(); computed=true; } function sqrt() { document.f.display.value=Math.sqrt(document.f.display.value); swipe(); computed=true; } function abs() { document.f.display.value=Math.abs(document.f.display.value); swipe(); computed=true; } function square() { document.f.display.value=Math.pow((document.f.display.value), 2); swipe(); computed=true; } function cube() { document.f.display.value=Math.pow((document.f.display.value), 3); swipe(); computed=true; } function perCent() { addChar(document.f.stack,'/100'); wipe(); computed=false; } function round() { document.f.display.value=Math.round(document.f.display.value); swipe(this.form); computed=true; } random.m=714025; random.a=4096; random.c=150889; random.seed= (new Date()).getTime()%random.m; function random() { random.seed = (random.seed*random.a + random.c) % random.m; mikesnum=(random.seed/random.m); computed=true; } function mem(c) { if (c == 1) { memory =(document.f.display.value * 1); document.f.display.value=''; swipe(this.form); computed = false; } if (c == -1) { document.f.display.value = memory ; document.f.stack.value = document.f.display.value; computed = false; } if (c == 0) { document.f.display.value = 0; document.f.stack.value=0; memory = 0; computed = false; } if (c == 2) { bin = (document.f.display.value * 1); document.f.display.value=''; swipe(this.form); computed = false; } if (c == -2) { document.f.display.value = bin ; document.f.stack.value = document.f.display.value; bin = 0; computed = false; } if (c == 3) { document.f.display.value = 0; document.f.stack.value=0; bin = 0; computed = false; } } function onlyTwo() { document.f.display.value=(document.f.display.value * 100); document.f.display.value=Math.round(document.f.display.value)/100; swipe(); computed=true; } function helpFile() { var content="KEY FEATURES "+ "< - > Rounds up or down to nearest integer "+ "<00> Rounds up or down to 2 decimal places "+ "Num Generates psuedo-random non-cryptograhic number "+ "M+ Adds single entry only to memory bin no.1 "+ "MR Recalls stored single item from memory bin no.1 "+ "MC Clears item from memory bin no.1 "+ "M2+ Adds single entry only to memory bin no.2 "+ "M2R Recalls single item from memory bin no.2 "+ "M2C Clears item from memory bin no.2 "+ "C Clears all, except memory no.1 and memory no.2 "+ "Clear Resets all features to zero "+ "+- Inverts value positive/negative of current display value "+ "<- Deletes last digit of current display "+ "X2 Returns value of current display to power 2 "+ "X3 Returns value of current display to power 3 "+ "% Divides entry by 100 to return per centage "+ "Sqrt Returns the square root of display value "+ "E1/2 Pi Ln2 Ln10 Return Mathematic constants "+ "Log Abs Atan Tan "+ "Acos Cos Asin Sin Return Math calculation of display value:" alert(content); } //-- END --> </SCRIPT>

<body> </TABLE> <TABLE height=158 width=774 border=1 style="border:4px ridge #3366CC; border-collapse: collapse" cellpadding="0" cellspacing="0" bgcolor="#3394FF" bordercolor="#3494FF"> <TR> <TD vAlign=top align=middle width=1034 height="158" bgcolor="#3366CC" bordercolor="#3494FF"> <BODY/> <center> <p> <font face="arial, helvetica" size="-2"><br> <CENTER> <P> <FORM NAME="f"> <TABLE BGCOLOR=#3494FF WIDTH=400 BORDER=5 CELLSPACING=1 CELLPADDING=2> <TR> <TD BGCOLOR=#C0C0C0 COLSPAN=7 ALIGN=RIGHT> <INPUT NAME="display" TYPE=TEXT VALUE=0 SIZE=25> <INPUT NAME="stack" TYPE=HIDDEN VALUE=0> </TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Help " onclick="helpFile();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Num " onclick="random()+addChar(display,mikesnum)+addChar(stack,mikesnum);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" <00> " onclick="onlyTwo();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" <-> " onclick="round();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" M2+ " onclick="mem(2);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE="M2R " onclick="mem(-2);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" M2C" onclick="mem(3);"></TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Clear" onclick="newSlate();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" x ³ " onclick="addChar(display.value)+cube();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" x ² " onclick="addChar(display.value)+square();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" % " onclick="perCent();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" M+ " onclick="mem(1);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" MR " onclick="mem(-1);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" MC " onclick="mem(0);"></TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" E " onclick="wipe()+addChar(display,Math.E)+addChar(stack,Math.E);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Exp " onclick="addChar(display.value)+exp();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Sqrt " onclick="addChar(stack)+sqrt();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" ÷ " onclick="addChar(stack,'/')+wipe()+addChar(display,'/');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 7 " onclick="addChar(display,'7')+addChar(stack,'7');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 8 " onclick="addChar(display,'8')+addChar(stack,'8');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 9 " onclick="addChar(display,'9')+addChar(stack,'9');"></TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE="Sqrt½" onclick="wipe()+addChar(display,Math.SQRT1_2)+addChar(stack,Math.SQRT1_2);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Log " onclick="addChar(display.value)+log();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Abs " onclick="addChar(display.value)+abs();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" × " onclick="addChar(stack,'*')+wipe()+addChar(display,'*');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 4 " onclick="addChar(display,'4')+addChar(stack,'4');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 5 " onclick="addChar(display,'5')+addChar(stack,'5');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 6 " onclick="addChar(display,'6')+addChar(stack,'6');"></TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Ln2 " onclick="wipe()+addChar(display,Math.LN2)+addChar(stack,Math.LN2);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE="ATan" onclick="addChar(display.value)+atan();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Tan " onclick="addChar(display.value)+tan();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" - " onclick="addChar(stack,'-')+wipe()+addChar(display,'-');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 1 " onclick="addChar(display,'1')+addChar(stack,'1');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 2 " onclick="addChar(display,'2')+addChar(stack,'2');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 3 " onclick="addChar(display,'3')+addChar(stack,'3');"></TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Ln10 " onclick="wipe()+addChar(display,Math.LN10)+addChar(stack,Math.LN10);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE="ACos" onclick="addChar(display.value)+acos();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Cos " onclick="addChar(display.value)+cos();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" + " onclick="addChar(stack,'+')+wipe()+addChar(display,'+');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" ± " onclick="changeSign(display)+changeSign(stack);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" . " onclick="addChar(display,'.')+addChar(stack,'.');"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" 0 " onclick="addChar(display,'0')+addChar(stack,'0');"></TD> </TR> <TR> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Pi " onclick="wipe()+addChar(display,Math.PI)+addChar(stack,Math.PI);"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" ASin " onclick="addChar(display.value)+asin();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" Sin " onclick="addChar(display.value)+sin()+swipe();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" <- " onclick="deleteChar(display)+deleteChar(stack);"></TD> <TD BGCOLOR=#3366CC COLSPAN='2' bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" = " onclick="testFirst()+swipe();"></TD> <TD BGCOLOR=#3366CC bordercolor="#C0C0C0"><INPUT TYPE=BUTTON VALUE=" C " onclick="reset();"></TD> </TR> </TABLE></TABLE> </FORM>