The empirical rule describes how points are clustered in a normally-distributed data set. It states that 95% of data fall ...

Discounted cash flow (DCF) is a valuation method used to estimate the attractiveness of an investment opportunity. Learn how it is calculated and when to use it.

When it comes to income investing, it’s good to know the dividend payout ratio formula. It can give you insight into dividend safety. When it comes to dividend stocks, this ratio is always on my ...

Social Security is vital for retirement. Learn how your earnings history and claiming age determine the size of your Social ...

What is a good return for your portfolio? If a bond portfolio generated a 4% return over the past year, it could be considered a pretty decent return. However, investors who prioritized high-growth ...

Excel’s SUM, DATE, WEEKDAY, IF, Nested IF, and IF/OR functions came to mind as I was watching a 1969 film called If It’s Tuesday, This Must Be Belgium, about American tourists on a whirlwind tour of ...

The earnings per share formula is useful for valuing stocks. It’s a key part of the widely-used price-to-earnings ratio. And by gaining a better understanding of these concepts, you can make better ...

To add a formula in Google Sheets, click the cell where you want the answer, then choose one of the hundreds of functions.

You can combine two columns in Excel using several formulas and tools available in the software. Here's how to combine two columns in Excel.