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Pi
Last update:
May 18, 2026
Description
Gets the mathematical constant p, accurate to 15 digits.
Returns
The number 3.14159265358979.
Category
Function syntax
Pi()See also
Example
<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.
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