美国作家沃特金斯写的非常有趣的数学小册子《一生受用的公式》可以用来作为游戏开发的参考资料。-American writer Watkins wrote a very interesting booklet mathematics, " life is good enough for the formula" can be used as a reference for game development.

基于c++的纸牌游戏，简单实用，程序易懂，界面是黑色，白色显示图案和数学。-C++ based card game, simple and practical, easy to understand procedures, the interface is black, white display pattern and mathematics.