CFLib.org – AreaCircle

AreaCircle(radius)

Last updated July 17, 2001

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author

Rob Brooks-Bilson
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Version: 1 | Requires: ColdFusion 5 | Library: MathLib

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

Return Values:
Returns the area of the circle

Example:

view plain print about

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

<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:

	
	
			
			
			
				
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				ColdFISH is developed by Jason Delmore.  Source code and license information available at coldfish.riaforge.org.  Version 3.1.1
				
			<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 (&#114;&#98;&#105;&#108;&#115;&#64;&#97;&#109;&#107;&#111;&#114;&#46;&#99;&#111;&#109;) 
 * @version 1, July 17, 2001 
 */
function AreaCircle(radius)
{
  Return (Pi()*(radius^2));
}
</cfscript>
		<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>