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 ...

If you need to find the cube and cube root in Excel, please read through this article. We have shared the easiest methods.

Imaginary numbers—the square roots of negative numbers—are an inescapable part of quantum theory, a study shows ...

Insights puzzle How to Find Simple Treasures in Complex Numbers In spite of their name, “imaginary” numbers are as real as any other numbers, especially when it comes to hunting for lost treasure. For ...