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AreaCircle(radius)

Last updated July 17, 2001
Download UDF

author

Rob Brooks-Bilson                                 Rob Brooks-Bilson

Version: 1 | Requires: ColdFusion 5 | Library: MathLib

Description:
Calculates the area of a circle based on the radius.

Return Values:
Returns the area of the circle

Example:

<CFSET r=12>
<CFOUTPUT>
Given r=#r#
The area of the circle is #AreaCircle(r)#
</CFOUTPUT>

Parameters:

Name Description Required
radius 1/2 the diameter of the circle Yes

Full UDF Source:

<cfscript>
/**
* Calculates the area of a circle.
*
* @param radius      1/2 the diameter of the circle
* @return Returns the area of the circle
* @author Rob Brooks-Bilson (rbils@amkor.com)
* @version 1, July 17, 2001
*/

function AreaCircle(radius)
{
Return (Pi()*(radius^2));
}
</cfscript>

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