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Pi Purpose Calculates the value of the constant Pi. Format Pi Parameters None Data type returned number Originated in FileMaker Pro 6.0 or earlier Description This function calculates the value of the constant Pi (π), which is approximately 3.14159. Examples Pi * 15 returns 47.124. Related topics Functions reference (category list) Functions reference (alphabetical list) About formulas About functions Defining calculation fields Using operators in formulas