3 posts published by Dan Ma during January 2017| All Math Considered
The coupon collector problem is a classic problem in probability. It is usually described in this way: a person (called the coupon collector) is trying to collect all coupons (promotional gift item…| All Math Considered
The tower of Hanoi is a game that works on multiple levels. It is a challenging game that test the agility and organization skills of the player. It is also a game mathematicians would love since t…| All Math Considered
A little over one year ago, this blog marked the beginning of the year of the rooster in this blog post. Now it’s time to celebrate the year of the dog. The Lunar New Year actually falls on F…| All Math Considered
This post discusses the clay tablet that is known as Plimpton 322. This tablet gives us a glimpse of the powerful mathematics practiced in ancient Babylonia almost 4000 years ago. We aim to give a …| All Math Considered
It is commonly advised that dictionary words should not be used when forming passwords. We would like to make the case that dictionary words can be used as long as the words are randomly chosen. Th…| All Math Considered
It is commonplace for frequent users of the Internet to have multiple online accounts that require passwords. Advice and guidelines abound on the Internet on picking safe and strong passwords. They…| All Math Considered
The following shows a set for the game of Tower of Hanoi. The game is discussed in a companion blog. The first paragraph in that blog post: The tower of Hanoi is a game that works on multiple level…| All Math Considered
This post works with 5-card Poker hands drawn from a standard deck of 52 cards. The discussion is mostly mathematical, using the Poker hands to illustrate counting techniques and calculation of pro…| All Math Considered
This is the fourth post in a series of posts on combinatorial analysis. The post is opened with the following problem. This post builds on the previous post on binomial coefficients. Figure 1 ̵…| All Math Considered
This is the third post in a series of posts on combinatorial analysis. The post is opened with the following problem. Figure 1 Path Problem Point Q is 7 blocks east and 6 blocks north of Point P (s…| All Math Considered
Powerball is a lottery game available for play in 44 states in the United States and in the District of Columbia, Puerto Rico and the US Virgin Islands. It is a “mega” lottery because o…| All Math Considered