Getting Started video
Excel does nothing to stop you adding apples and oranges, chalk and cheese or even numbers and letters. This aspect of the behavior of Excel, though it appears in many guises, is at the heart of many of the errors commonly associated with or attributed to Excel workbook calculations.
The videos on this page show why it’s so easy to create errors in Excel formulas and why you need Strong Typing to create reliable spreadsheets.
The video attempts to show how easy it is to introduce calculation errors into an Excel spreadsheet because much of the context for any given calculation is in the mind of spreadsheet’s creator and, later, the person reviewing results.
Duration: 4 minutes and 23 secondsSmall size (640×480)