这个是计算机编程艺术的第二卷：半数值算法。这一卷主要介绍了随机函数和算术计算的算法。这本书的意义就不重复介绍了，有兴趣的可以下来看看。-This is the art of computer programming Volume II: Semi-numerical algorithms. This volume introduces a random function and arithmetic algorithms. The significance of this book is not duplicated, and are interested can take a look at it.