Try your hand at this question: Two family reunions are happening at the same hotel, the Oates reunion and the Hall reunion. All 100 guests at the hotel attend at least one of the reunions. If 40 people attend the Oates reunion and 62 people attend the Hall reunion, how many people attend both reunions? [...]

When you learned division in school, the teacher probably brushed off the issue of dividing by zero in one sentence: you can’t do it, moving on. You might feel like you got shortchanged by that explanation. Why not? What happens when you divide by zero? You can’t ask the computer. Computers fail when you ask [...]

Processing is an open source programming language and environment for people who want to code their own animation, interactions and data visualization. It shows tons of potential for fun, interactive educational and gaming applications. Check out the project gallery to see some examples, ranging from the silly to the sublime. Project initiators Ben Fry and [...]

On a less serious note, Cole Entress explains the proper use of an idiomatic expression beloved by Michael Scott.