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.

Subtraction is the easiest way to count days between two dates in Excel. You can use the arithmetic operator – (minus sign) to subtract one date from another to find the number of days between them.

Later, we'll add an IF() function that returns a subtotal for each day. How to calculate conditional subtotals in an Excel revenue sheet Your email has been sent Adding a condition to a simple revenue ...

"Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you divide the earnings you made from an investment by the ...

If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

You can use Excel to store, organize, and analyze data. Excel is Microsoft's spreadsheet program, a part of the Microsoft 365 suite of products. Here's a crash course in the basics of using Microsoft ...

Build a fast Excel money tracker with SUMIFS totals, color coding, and charts, so you see monthly savings and trends without manual work.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...

As a child of the dark ages, I used the word rank to describe something that smelled rotten or suspicious. Rank in Microsoft Excel is, thankfully, totally different. In Excel, rank is a value that ...

Make Excel evaluate your data for you.

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...