You don't need a fancy app to run a giveaway. Here's how you can run a giveaway and pick your random winners using any spreadsheet app.

There's tons of open data available that's locked away inside tables in PDFs. Here's how to extract the data with the free tools Tabula and OpenRefine to...

There's easier ways to find and move data in a spreadsheet than copy and paste. Here's how to use the VLOOKUP, MATCH and INDEX functions to extract specific...

Microsoft has finally released full-featured Office apps for the iPad. Here's a quick look at what each app offers, and how you can start using Office on...

You really can get Microsoft Office for free, legally—as long as you only need the most basic features, and are willing to use it in your browser. Here's how...

If you're going to invest your money, you'll want to make sure you're getting the most from your investment. That's exactly what the internal rate of return...

Money in the future is worth less than money today. Or, perhaps, "a bird in the hand is worth two in the bush", as they used to say. But you're not trying to...

There's a lot more to your loan than just the original sticker price, or the base monthly payment. Here's how you can use spreadsheets to break down your...

Getting ready for tax season? Here's how to calculate depreciation on your assets using Straight-line, Declining balance, Double-declining balance, and Sum...