Our February Insights puzzle sent readers on a treasure hunt based on complex numbers. First we provided a bit of a primer, demonstrating that complex numbers (expressions of the form a + bi, where ...

Brain teasers, especially mathematical ones, have a unique way of engaging our minds. They challenge our logical thinking, improve problem-solving skills, and often leave us scratching our heads.

You can probably think of a time when you’ve used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play ...