Last issue, I wrote about an Ajax-enabled Web application that has the potential to oust, or at least augment, Outlook. This issue, I have another Ajax Web application that hints at what could be done ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

Understanding how cells behave in relation to one another is essential to getting the most out of Microsoft Excel. When you're working with multiple worksheets simultaneously, it can become tedious to ...

With spreadsheets, you store and analyze sets of data, which is key in many businesses. Spreadsheets offer a range of automated functions to perform calculations on data in addition to building graphs ...

Mac: The "Sum" function in spreadsheets is great, but if you're not the type to do all your list-making in Excel, coder Brett Terpstra built an OS X System Service that allows you to total up any set ...

These four overlooked Excel features completely changed how I design spreadsheets.

Enter your data or use an existing data. Type into the cell where you want to place the result =SERIESSUM(A2,0,2,D2:D4). Press Enter to see the result. The result is 0.504711076. There are two other ...

Conditional formatting tricks: Sum values in Excel by cell color Your email has been sent When you think VBA code is your only hope, try combing built-it conditional formatting tools. You might just ...

Excel workbooks are the next step after you’ve mastered the single Excel spreadsheet. Going back to the ledger idea we used in our Excel spreadsheets guide, think of the workbook as the ledger (or ...

Google Spreadsheets is a free, Web-based spreadsheet tool from Google that does a surprisingly good job as a basic number cruncher, and the price is right. Google began accepting sign-ups to ...