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.

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 ...

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.

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 ...

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 ...

WACC is important for both investors and companies ...

If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.

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 ...

The CHOOSECOLS formula is a catalyst when it comes to selecting specific columns from a table. This formula allows you to streamline your data analysis process by quickly and easily extracting the ...

Glide turns an Excel spreadsheet into an inventory app; computed columns replace formulas, giving live stock-on-hand totals across tables.

Stop creating Excel sheets that fight you!