Our world is filled with shapes and symbols that form familiar elements. One of those common geometric symbols is the circle. The circle plays a pivotal role in everyday life as tires on the cars we ...

You've sat in so many meetings where Microsoft PowerPoint presentations have revealed unexpected truths. The presenter makes you marvel as she shows how the circle marked "profit" overlaps with the ...

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known for less ...

Dealing with a problem here that probably has a clever solution which is not coming to me: I have an m x n grid. This grid contains some circles. I would like to find a set of squares that covers the ...

Each scandal is represented by a colored circle that encompasses the people who are implicated. As it's easy to see, many of the players here are mixed up in two, three, or more of the alleged crimes.