Microsoft Excel is incredibly versatile, but there are a lot of functions you might not even know about. These are some of the best ones.

How to Use the Countif & Countifs Functions in Excel. Microsoft Excel 2010 is a powerful spreadsheet program that business owners can utilize to track everything from employee's schedules to ...

Apple Numbers 2009 has 262 functions in 10 categories. Microsoft Excel 2010 has 400 functions in 11 categories.

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.