If you've ever started up a Mac that sat unplugged for long enough to discharge the battery that backs up its memory of the current date and time, you've seen the date January 1, 1904, replace the ...

An Excel spreadsheet can become an indispensable tool for your business when you harness its power for keeping records and doing computations. Take advantage of the program's seemingly limitless ...

You already knew that Excel can do straight date math, but it can also take into account holidays to find the number of working days between two dates. Tech blogger Chandoo points out the =networkdays ...

How to convert a birth date to an age without an expression using Microsoft Excel Power Query Your email has been sent Calculating age requires a bit of specialized knowledge. Any expression you use ...

In late September Microsoft admitted there was a bug in Excel 2007 which caused the calculation results of certain values to be displayed incorrectly. The results were correct, but the display was not ...