Then check out Mine Blaster 1000, a game written entirely with formulas. Reminiscent of Minesweeper, Mine Blaster 1000 has users blowing up mines — but each bomb costs money.

This is where the number-crunching fun starts. Learn the ins and outs of the logical formulas that represent the heart of Excel.

SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

Microsoft's Excel World Championships took place in Las Vegas this past weekend, where enthusiasts got the chance to showcase thier prowess in writing Excel formulas and more.

Paul Hillman, a partner with a Grand Rapids, MI-based technology consulting firm, talks about the new and exciting changes with Excel and working on spreadsheets.

The course covers Excel versions 2003-2010, includes over 40 topics and contains hundreds of exercises and videos all targeted at one thing – helping people master Excel.