Javascript Square root Calculator

This javascript square root calculator is used to calculate square root of a number. This squareroot calculator is for free use.

Features

You can calculate square root of any number using this javascript calculator.
This is a free square root calculator.
Just copy the code and use it.

Preview

Square root-Calculator

Downloads

Javascript code

<script type="text/javascript">
function sqr(num)
{
var no=parseFloat(num.value);
if(isNaN(no))
{
alert("Please Enter Numbers Only");
num.value="";
document.frm.res.value="";
num.focus();
}
else
{
document.frm.res.value=Math.sqrt(no).toFixed(2);
} } function incheck(event,no) {
var kc;
if(window.event)
{
kc=event.keyCode;
}
else
{
kc=event.which;
}
var num=no.value;
if(kc==46)
{
if(num.indexOf(".")==-1)
{
return true;
}
else
{
return false;
}
}
if(kc==48)
{
if(num.indexOf("-")==0 && num.length==1)
{
return false;
}
if(num=="")
{
return false;
}
else
{
return true;
}
}if (kc!=8 && kc!=0)
{
if (kc<49||kc>57)
{
return false;
}
}
} </script>

HTML Code

<form name="frm">
Enter a Number :<input type="text" name="number" onkeypress="return
incheck(event,number)">
<input type="button" value="SqureRoot" onclick="sqr(number)">
The SqureRoot :<input type="text" name="res" readonly>
©<a href="https://www.hscripts.com">hscripts.com</a>
</form>

Release Date - 07-04-2008
Get free version without ©copyright link for just $10/-
For customization of this script or any script development, mail to support@hscripts.com

Usage

He we have explained with a form
Create the form using following HTML code

<form name="frm">
    Enter a Number :<input type="text" name="number" onkeypress="return   incheck(event,number)">
    <input type="button" value="SqureRoot" onclick="sqr(number)">
    The SquareRoot :<input type="text" name="res" readonly>
   ©<a href="//www.hscripts.com">hscripts.com</a>
    </form>