Google Spreadsheets supports cell formulas typically found in most desktop spreadsheet packages. In this lesson we will calculate the numbers of empty cells in a Spreadsheet.
Let me show you a very simple yet effective trick that will stop the ads from popping up when you or your kids are playing iPad games. It can save you some money as well.
Old school gamers with a bit more years on their backs should be familiar with the legendary Doom game. This time I will show you how to create your own Doom avatar just for the heck of it.
