Calculators Effects >>> Radioactive.


		<script 
		language="javascript"
		type="text/javascript">

		/* Visit http://www.yaldex.com/ 
		for full source code

		and get more free JavaScript, CSS and DHTML scripts! */

		<!-- Begin

		function 
		computeamount(h,a,t){ 
		

		h =
		document.radio.h.value 
		

		a =
		document.radio.a.value 
		

		t =
		document.radio.t.value 
		

		document.radio.result1.value=eval(a*Math.exp((Math.log(0.5)/h)*t)); 
		

		document.radio.result2.value=eval((document.radio.result1.value/a)*100);   
		

		}

		// End -->

		</script>

		<TABLE
		border=1>
		

		<TR>
		

		<TD>Halflife</TD>
		

		<TD>Amount</TD>
		

		<TD>Time</TD>
		

		</TR>
		

		<TR>
		

		<TD><FORM
		name="radio"
		id="radio"><input
		name="h"
		size=10
		></TD>
		

		<TD><input
		name="a"
		size=10
		></TD>
		

		<TD><input
		name="t"
		size=10
		></TD>
		

		<TD><input
		type="button"
		value="Calculate 
		Amount Left" 
		onclick="computeamount()"></TD>
		

		</TR>
		

		</TABLE>

		<BR>The 
		amount remaining is: 

		<input
		name="result1"
		size=22> 
		or 

		<input
		name="result2"
		size=5> 
		percent of the original sample.

		<input
		type="reset"
		value="Reset 
		Form">

		</FORM>