If you've ever wondered how a stack can be implemnted, what it's use is, or how to approach different kinds of stacks, then the Stack Abstract Data Type article is a great place to start.
If you missed the first in the series, or need a recap, then check out the Data Structrues and Algorithms article. It has many answers...
For those who have more questions than answers, please feel free to post them at the end of ANY article - we're here to help!!
Or, you can email me at computerprogramming (at) suite101.com and I'll try my best to help you, and others, with any programming problems!