If you don't have a specific problem that you are trying to solve, but just want to get a feel for what is in the Tricki, then there are a number of different ways of doing so. You could try looking at a list of all Tricki articles. If you would like to explore the Tricki in a more structured way, then there is a page with a list of different kinds of article, with links to lists of articles of the given kinds. And there is also a page that categorizes articles according to the kinds of problems they solve.
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