Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/MathTrig.php
public static function SQRTPI($number)
    {
        $number = Functions::flattenSingleValue($number);

        if (is_numeric($number)) {
            if ($number < 0) {
                return Functions::NAN();
            }

            return sqrt($number * M_PI);
        }

        return Functions::VALUE();
    }
public static function SQRTPI($number)
    {
        $number = Functions::flattenSingleValue($number);

        if (is_numeric($number)) {
            if ($number < 0) {
                return Functions::NAN();
            }

            return sqrt($number * M_PI);
        }

        return Functions::VALUE();
    }
SQRTPI.

Returns the square root of (number * pi).

@param float $number Number

@return float Square Root of Number * Pi