The classic 60/40 portfolio is losing ground. New NBER research shows investors can boost results with simple, customized ...

In this podcast, former Motley Fool podcast host Chris Hill -- now host of the podcast Money Unplugged -- returns as a guest ...

Calculating age based on a birthday is a common task, whether for work, school, or personal records. Excel makes this easy with built-in formulas that can quickly determine a person’s age from their ...

To calculate age in Google Sheets, use the DATEDIF or YEARFRAC formulas. I’ll cover each in detail below. Follow along for screenshots and full formula explanations.

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

We show you how to calculate a weighted average in Excel using SUMPRODUCT and SUM functions, providing step-by-step instructions, practical examples, and common use cases.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

Our guide is here to help you learn how to calculate age with today's date in Excel using three different methods.

Learn how to calculate percentages in Excel using a few simple steps. We'll show you how and explain some tips and tricks too.