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chengkun

2025-09-15 cff43dbd99d99189864acd591f856a38e87c5b09

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<?php
 
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
 
class Constants
{
    /**
     * EULER.
     */
    public const EULER = 2.71828182845904523536;
}