public function min(){
		
		if($this->isEmpty()){
			throw new \UnderflowException(\get_called_class() . ' is empty');
		}
		
		$min = $this->front();
		
		for($i = 1, $l = $this->count(); $i < $l; ++$i){
			if(Number::lessThan($this->_Arr[$i], $min)){
				$min = $this->_Arr[$i];
			}
		}
		
		return $min;
		
	}