| 24/09/2007 | Drop down menus | | |
| 02/10/2007 | Difference between search and find functions | | |
| 20/10/2007 | Negative random numbers? | | |
| 20/10/2007 | Inconsistent R^2 values | | |
| 20/11/2007 | graphing linear functions in Excel | | |
| 25/11/2007 | differences between Grouping or Hiding/Unhiding | | |
| 04/01/2008 | Error handling with Logical and IF in worksheet formulas | | |
| 07/01/2008 | How do I handle a chart, where the number of series to be plotted is determined at runtime? | | |
| 09/01/2008 | Getting a macro to skip showing steps and just showing result | | |
| 10/01/2008 | Comparing two columns: are the contents of one in the other? | | |