Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/MathTrig.php
public static function QUOTIENT(...$args)
    {
        // Return value
        $returnValue = null;

        // Loop through arguments
        foreach (Functions::flattenArray($args) as $arg) {
            // Is it a numeric value?
            if ((is_numeric($arg)) && (!is_string($arg))) {
                if ($returnValue === null) {
                    $returnValue = ($arg == 0) ? 0 : $arg;
                } else {
                    if (($returnValue == 0) || ($arg == 0)) {
                        $returnValue = 0;
                    } else {
                        $returnValue /= $arg;
                    }
                }
            }
        }

        // Return
        return (int) $returnValue;
    }
public static function QUOTIENT(...$args)
    {
        // Return value
        $returnValue = null;

        // Loop through arguments
        foreach (Functions::flattenArray($args) as $arg) {
            // Is it a numeric value?
            if ((is_numeric($arg)) && (!is_string($arg))) {
                if ($returnValue === null) {
                    $returnValue = ($arg == 0) ? 0 : $arg;
                } else {
                    if (($returnValue == 0) || ($arg == 0)) {
                        $returnValue = 0;
                    } else {
                        $returnValue /= $arg;
                    }
                }
            }
        }

        // Return
        return (int) $returnValue;
    }
QUOTIENT.

QUOTIENT function returns the integer portion of a division. Numerator is the divided number
and denominator is the divisor.

Excel Function:
QUOTIENT(value1[,value2[, ...]])

@category Mathematical and Trigonometric Functions

@param mixed ...$args Data values

@return float