In the investment world, it’s common to discuss average rates of return. It’s not sufficient, however, to simply add up historical returns and divide by how many there are. The proper way to calculate ...

First in a series. We asked ChatGPT which method is the best for examining portfolio returns. Then we asked our expert. Editor’s note: Today, we begin a new series in which we ask ChatGPT questions ...

We produce a self contained account of the relationship between the Gaussian arithmetic-geometric mean iteration and the fast computation of elementary functions. A particularly pleasant algorithm for ...