<!--- This snippet shows how to use Atn --->

<HTML>

<HEAD>
<TITLE>
Atn Example
</TITLE>
</HEAD>

<BASEFONT FACE="Arial, Helvetica" SIZE=2>
<BODY  bgcolor="#FFFFD5">

<H3>Atn Example</H3>

<!--- output its Atn value --->
<CFIF IsDefined("form.AtnNum")>

	<CFIF IsNumeric(form.atnNum)>
		ATN(<CFOUTPUT>#form.atnNum#</CFOUTPUT>) = <CFOUTPUT>#Atn(form.atnNum)# radians = #Evaluate(Atn(form.atnNum) * 180/PI())# Degrees</CFOUTPUT>
	<CFELSE>
<!--- if it is empty, output an error message --->
		<H4>Please enter a number</H4>
	</CFIF>
</CFIF>



<FORM ACTION="atn.cfm" METHOD="POST">
<P>Type in a number to get its arctangent in Radians and Degrees
<BR><INPUT TYPE="Text" NAME="atnNum" SIZE="25">
<P><INPUT TYPE="Submit" NAME=""> <INPUT TYPE="RESET">


</FORM>



</BODY>

</HTML>       
