When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...

It's marginally more efficient: While the difference is negligible, the double-unary operator can be more efficient in ...

Last issue, I wrote about an Ajax-enabled Web application that has the potential to oust, or at least augment, Outlook. This issue, I have another Ajax Web application that hints at what could be done ...