This Excel training course, worth $249, is on sale for $16.99 (that's 93% off) with the code SAVE15NOV as of Nov. 4.

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.

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.