Gets the mathematical constant p, accurate to 15 digits.
The number 3.14159265358979.
Pi()
<h3>Pi Example</h3>
<!--- By default, ColdFusion displays only 11 significant digits.
Use NumberFormat to display all 15. --->
The Pi function Returns the number
<cfoutput>
#NumberFormat(Pi(), "_._______________")#,
</cfoutput> the mathematical constant pi, accurate to 15 digits.