public function round($precision = 0, $mode = PHP_ROUND_HALF_UP)
    {
        $this->number = round($this->number, $precision, $mode);

        return $this;
    }
public function round($precision = 0, $mode = PHP_ROUND_HALF_UP)
    {
        $this->number = round($this->number, $precision, $mode);

        return $this;
    }
public function round ( $ precision = 0 , $ mode = PHP_ROUND_HALF_UP ) { $ this -> number = round ( $ this -> number , $ precision , $ mode ) ; return $ this ; }
Round the value

@param int $precision The precision
@param int $mode      Mode to round

@return Calculate
Round the value