Two years ago, Slate ran a marathon prediction calculator. In the years since, the researchers have updated their work (and the writer became a FiveThirtyEight staff writer). We’ve collaborated with ...

Microsoft Excel can be used for budget calculations, Tax calculations and for many other purposes. You can use it as another form of calculator due to the features it provides us. You can even make ...

Anyone interested in starting an after-school or summer program can now use a newly updated, free tool to figure how much that might cost. The old calculator was based on data from a report that was ...