FREE JAVASCRIPT - Square root Calculator-calculations-calculate number-java script- HIOX

About

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

Features

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

Preview

Square root-Calculator

Code

<!-- Script by hscripts.com -->
<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> 
<!-- Script by hscripts.com -->

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>
&copy;<a href="http://hscripts.com">hscripts.com</a>
</form>

Release Date - 07-04-2008
Get free version without ©copyright link for just 5

For customization of this script or any script development, contact us at support@hscripts.com

Usage

Here we have explained with a form
a)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="http://hscripts.com">hscripts.com</a>
    </form>
b)The javascript function sqr() is triggered, when the button is clicked.
c)Just copy the javascript code and use it for free.

License

- The javascript (misspelled as java script) is given under GPL License
- i.e. Free use for those who use the codes as it is.
- Free, if your modification does not remove our copyright information and links.
- Click Here for detailed license information.
- You can purchase the script if your requirements does not meet our GPL License terms.

Javascript Square root Calculator