Even after you get proficient with formulas, it's easy to make errors especially with complicated formulas; Excel lets you know with an error message. This video explains where to find the error messages and how to interpret them to fix your formula.
Greg Harvey, PhD is the President of Mind Over Media. Greg wrote his first computer book more than twenty years ago and since that time, he has amassed a long list of bestselling titles including Excel All-In-One For Dummies (all editions) and Excel Workbook For Dummies (all editions).
