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 ...

Military time is a method of timekeeping used by the military all over the world. According to Chelsea Clock, law enforcement, firefighters, EMT emergency medical professionals and other emergency ...

Calculating the internal rate of return, or IRR, of an investment is a powerful tool for businesses. When a manager is faced with a capital intensive decision, IRR can quickly compare the financial ...

Let’s take an example in which you have to calculate the weekly wages of your employees. For this, you should know the total working duration of your workers for all 6 days. The screenshot provided ...

Baby boomers are often met with concerns about whether they have saved enough for their retirement. With variables such as rising healthcare costs, debts and other expenses threatening to consume ...

In its most basic form, the objective of tracking performance is to see whether your portfolio is growing. However, portfolio performance should also provide insight into the performance of the ...

Is there any financial decision more complicated, far-reaching and irrevocable than when to file for Social Security retirement benefits? There is an optimum filing strategy that will maximize ...