文字点阵生成，非常厉害，非常强大，用C++ 编写的，大家可以试试，很不错的-Character dot matrix generation, very powerful, very powerful, written in C++, you can try, very good

BP神经网络，亲自在VS2010上编译通过，需要学习BP神经网络的小伙伴，可以试试。-BP neural network, the VS2010 personally compiled by BP neural network to learn a small partner, you can try.