ExcelIsFun shows you how to detect if a cell has a number or text. The first thing he explains is to find out what are the different types of things that can go into a cell. Next he talks about the use of "OR" and "IsNumber" to make it possible to determine if a cell has a number or text entered into it. The user then explains why certain rows where either "True" or "False". After watching this video, you should be able to determine if a cell is using text or a number.