The Yanghui Triangle, Part I

Many of you know Yanghui's Triangle as Pascal's triangle.  However, about 500 years earlier (according to Wolfram Mathworld), a Chinese mathematician Yanghui studied this triangle. In China, it is referred to as the Yanghui Triangle. How is it produced? In my previous blog post, Counting Can Be Really Tough, I introduced you to combinations.  As a … Continue reading The Yanghui Triangle, Part I