Digital Calculator in ASP.net / HTML

To create digital Advance Calculator in HTML


Unique code of Digital Advance Calculator,  Calculator in ASP.NET,
Simple Open The Not pad file and write the following code below ans save it with .html (dot (.)) extension name file and open in any browser it suits for internet explorer and Google chrome. I created it for my Mathematical work. I think it is very useful for all kinds of user. it is useful for student, merchant , shopkeeper ,and scientist too. best of luck enjoy this nice and unique Coding. 


<html>
<head><title>
Amit Saxena
</title>
   
<script> 

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...\n\nEnter 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...\n\nEntry 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\n\n"+
              "< - >     Rounds up or down to nearest integer\n"+
              "<00>    Rounds up or down to 2 decimal places\n"+
              "Num     Generates psuedo-random non-cryptograhic number\n"+
              "M+        Adds single entry only to memory bin no.1\n"+
              "MR       Recalls stored single item from memory bin no.1\n"+
              "MC       Clears item from memory bin no.1\n"+
              "M2+      Adds single entry only to memory bin no.2\n"+
              "M2R     Recalls single item from memory bin no.2\n"+
              "M2C     Clears item from memory bin no.2\n"+
              "C          Clears all, except memory no.1 and memory no.2\n"+
              "Clear    Resets all features to zero\n"+
              "+-         Inverts value positive/negative of current display value       \n"+
              "<-         Deletes last digit of current display\n"+
              "X2        Returns value of current display to power 2\n"+
              "X3        Returns value of current display to power 3\n"+
              "%          Divides entry by 100 to return per centage\n"+
              "Sqrt      Returns the square root of display value\n\n"+
              "E1/2 Pi Ln2 Ln10    Return Mathematic constants\n\n"+
              "Log Abs Atan Tan\n"+
              "Acos Cos Asin Sin   Return Math calculation of display value:"
              
  alert(content);
}
</SCRIPT>
</head>
<body>
<FORM NAME="f">
<TABLE BGCOLOR=#000000 WIDTH=400 BORDER=5 CELLSPACING=2 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=#FF0000><INPUT TYPE=BUTTON VALUE=" Help " onclick="helpFile();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" Num "  

onclick="random()+addChar(display,mikesnum)+addChar(stack,mikesnum);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" <00> " onclick="onlyTwo();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE=" <-> "  onclick="round();"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" M2+ "  onclick="mem(2);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE="M2R "   onclick="mem(-2);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" M2C"   onclick="mem(3);"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#FF0000><INPUT TYPE=BUTTON VALUE=" Clear" onclick="newSlate();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="   x &sup3;  " 

onclick="addChar(display.value)+cube();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="   x &sup2;  " 

onclick="addChar(display.value)+square();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="  %  " onclick="perCent();"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE="  M+  " onclick="mem(1);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" MR  " onclick="mem(-1);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" MC  " onclick="mem(0);"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="    E     " 

onclick="wipe()+addChar(display,Math.E)+addChar(stack,Math.E);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Exp  " 

onclick="addChar(display.value)+exp();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" Sqrt  " onclick="addChar(stack)+sqrt();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE=" &divide;  " 

onclick="addChar(stack,'/')+wipe()+addChar(display,'/');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    7    " 

onclick="addChar(display,'7')+addChar(stack,'7');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    8    " 

onclick="addChar(display,'8')+addChar(stack,'8');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    9    " 

onclick="addChar(display,'9')+addChar(stack,'9');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="Sqrt&frac12;" 

onclick="wipe()+addChar(display,Math.SQRT1_2)+addChar(stack,Math.SQRT1_2);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Log " 

onclick="addChar(display.value)+log();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Abs " 

onclick="addChar(display.value)+abs();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="  &times; " 

onclick="addChar(stack,'*')+wipe()+addChar(display,'*');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    4    " 

onclick="addChar(display,'4')+addChar(stack,'4');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    5    " 

onclick="addChar(display,'5')+addChar(stack,'5');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    6    " 

onclick="addChar(display,'6')+addChar(stack,'6');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="  Ln2   " 

onclick="wipe()+addChar(display,Math.LN2)+addChar(stack,Math.LN2);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="ATan" 

onclick="addChar(display.value)+atan();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Tan " 

onclick="addChar(display.value)+tan();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="    -   " 

onclick="addChar(stack,'-')+wipe()+addChar(display,'-');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    1    " 

onclick="addChar(display,'1')+addChar(stack,'1');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    2    " 

onclick="addChar(display,'2')+addChar(stack,'2');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    3    " 

onclick="addChar(display,'3')+addChar(stack,'3');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE=" Ln10 " 

onclick="wipe()+addChar(display,Math.LN10)+addChar(stack,Math.LN10);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="ACos" 

onclick="addChar(display.value)+acos();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Cos " 

onclick="addChar(display.value)+cos();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="   +   " 

onclick="addChar(stack,'+')+wipe()+addChar(display,'+');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="  &plusmn;  " 

onclick="changeSign(display)+changeSign(stack);"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="     .    " 

onclick="addChar(display,'.')+addChar(stack,'.');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    0    " 

onclick="addChar(display,'0')+addChar(stack,'0');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="    Pi    " 

onclick="wipe()+addChar(display,Math.PI)+addChar(stack,Math.PI);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" ASin " 

onclick="addChar(display.value)+asin();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Sin  " 

onclick="addChar(display.value)+sin()+swipe();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="   <-  " 

onclick="deleteChar(display)+deleteChar(stack);"></TD>
  <TD BGCOLOR=#FFA500 COLSPAN='2'><INPUT TYPE=BUTTON VALUE="          =          " 

onclick="testFirst()+swipe();"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    C   " onclick="reset();"></TD>
 </TR>
</TABLE>
</FORM>
    
    
   
</body>
</html>






How To Create Unique digital Calculator in ASP.Net Page / HTML


I want to describe a unique and very useful Calculator in Asp.Net Page. It is Advance and colorful Calculator, It solve all kinds of Mathematical Formula and also scientific formula too.
So write the following code  in ASP .NET Page

=> open Visual Studio 2005 and Create New website .
Now Go to the html Page(source page and Paste the following code below title tag)


<script>


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...\n\nEnter 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...\n\nEntry 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\n\n"+
              "< - >     Rounds up or down to nearest integer\n"+
              "<00>    Rounds up or down to 2 decimal places\n"+
              "Num     Generates psuedo-random non-cryptograhic number\n"+
              "M+        Adds single entry only to memory bin no.1\n"+
              "MR       Recalls stored single item from memory bin no.1\n"+
              "MC       Clears item from memory bin no.1\n"+
              "M2+      Adds single entry only to memory bin no.2\n"+
              "M2R     Recalls single item from memory bin no.2\n"+
              "M2C     Clears item from memory bin no.2\n"+
              "C          Clears all, except memory no.1 and memory no.2\n"+
              "Clear    Resets all features to zero\n"+
              "+-         Inverts value positive/negative of current display value       \n"+
              "<-         Deletes last digit of current display\n"+
              "X2        Returns value of current display to power 2\n"+
              "X3        Returns value of current display to power 3\n"+
              "%          Divides entry by 100 to return per centage\n"+
              "Sqrt      Returns the square root of display value\n\n"+
              "E1/2 Pi Ln2 Ln10    Return Mathematic constants\n\n"+
              "Log Abs Atan Tan\n"+
              "Acos Cos Asin Sin   Return Math calculation of display value:"
             
  alert(content);
}

</SCRIPT>




Now Go to the body section and write the following coding below body tag


<FORM NAME="f">
<TABLE BGCOLOR=#000000 WIDTH=400 BORDER=5 CELLSPACING=2 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=#FF0000><INPUT TYPE=BUTTON VALUE=" Help " onclick="helpFile();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" Num "  

onclick="random()+addChar(display,mikesnum)+addChar(stack,mikesnum);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" <00> " onclick="onlyTwo();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE=" <-> "  onclick="round();"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" M2+ "  onclick="mem(2);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE="M2R "   onclick="mem(-2);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" M2C"   onclick="mem(3);"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#FF0000><INPUT TYPE=BUTTON VALUE=" Clear" onclick="newSlate();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="   x &sup3;  " 

onclick="addChar(display.value)+cube();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="   x &sup2;  " 

onclick="addChar(display.value)+square();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="  %  " onclick="perCent();"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE="  M+  " onclick="mem(1);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" MR  " onclick="mem(-1);"></TD>
  <TD BGCOLOR=#800080><INPUT TYPE=BUTTON VALUE=" MC  " onclick="mem(0);"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="    E     " 

onclick="wipe()+addChar(display,Math.E)+addChar(stack,Math.E);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Exp  " 

onclick="addChar(display.value)+exp();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" Sqrt  " onclick="addChar(stack)+sqrt();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE=" &divide;  " 

onclick="addChar(stack,'/')+wipe()+addChar(display,'/');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    7    " 

onclick="addChar(display,'7')+addChar(stack,'7');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    8    " 

onclick="addChar(display,'8')+addChar(stack,'8');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    9    " 

onclick="addChar(display,'9')+addChar(stack,'9');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="Sqrt&frac12;" 

onclick="wipe()+addChar(display,Math.SQRT1_2)+addChar(stack,Math.SQRT1_2);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Log " 

onclick="addChar(display.value)+log();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Abs " 

onclick="addChar(display.value)+abs();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="  &times; " 

onclick="addChar(stack,'*')+wipe()+addChar(display,'*');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    4    " 

onclick="addChar(display,'4')+addChar(stack,'4');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    5    " 

onclick="addChar(display,'5')+addChar(stack,'5');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    6    " 

onclick="addChar(display,'6')+addChar(stack,'6');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="  Ln2   " 

onclick="wipe()+addChar(display,Math.LN2)+addChar(stack,Math.LN2);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="ATan" 

onclick="addChar(display.value)+atan();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Tan " 

onclick="addChar(display.value)+tan();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="    -   " 

onclick="addChar(stack,'-')+wipe()+addChar(display,'-');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    1    " 

onclick="addChar(display,'1')+addChar(stack,'1');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    2    " 

onclick="addChar(display,'2')+addChar(stack,'2');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    3    " 

onclick="addChar(display,'3')+addChar(stack,'3');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE=" Ln10 " 

onclick="wipe()+addChar(display,Math.LN10)+addChar(stack,Math.LN10);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="ACos" 

onclick="addChar(display.value)+acos();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Cos " 

onclick="addChar(display.value)+cos();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="   +   " 

onclick="addChar(stack,'+')+wipe()+addChar(display,'+');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="  &plusmn;  " 

onclick="changeSign(display)+changeSign(stack);"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="     .    " 

onclick="addChar(display,'.')+addChar(stack,'.');"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    0    " 

onclick="addChar(display,'0')+addChar(stack,'0');"></TD>
 </TR>
 <TR>
  <TD BGCOLOR=#000080><INPUT TYPE=BUTTON VALUE="    Pi    " 

onclick="wipe()+addChar(display,Math.PI)+addChar(stack,Math.PI);"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE=" ASin " 

onclick="addChar(display.value)+asin();"></TD>
  <TD BGCOLOR=#0000FF><INPUT TYPE=BUTTON VALUE="  Sin  " 

onclick="addChar(display.value)+sin()+swipe();"></TD>
  <TD BGCOLOR=#008000><INPUT TYPE=BUTTON VALUE="   <-  " 

onclick="deleteChar(display)+deleteChar(stack);"></TD>
  <TD BGCOLOR=#FFA500 COLSPAN='2'><INPUT TYPE=BUTTON VALUE="          =          " 

onclick="testFirst()+swipe();"></TD>
  <TD BGCOLOR=#FFA500><INPUT TYPE=BUTTON VALUE="    C   " onclick="reset();"></TD>
 </TR>
</TABLE>
</FORM>
    
    
    
Now Run The page . Debug the page you see the advance digital calculator  here  best of luck

thanks a lots to visit my site.  comment must please.
You can see a nice coding of Drop Down menu in HTML/ SP.NET page here.







    

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