src/Number.php
public function root($value)
    {
        $value = Cast::Float($value);

        if ($this->value === null) {
            return new FloatType($this->value);
        }

        return new FloatType(pow($this->value, 1 / $value));
    }
public function root($value)
    {
        $value = Cast::Float($value);

        if ($this->value === null) {
            return new FloatType($this->value);
        }

        return new FloatType(pow($this->value, 1 / $value));
    }
Nth root. Product is always FloatType.

@return FloatType