Is Apple’s iWork a viable alternative to Microsoft Office? To find out, we asked Rob Griffiths—our go-to expert on spreadsheets—to use Excel 2008 and Numbers ‘08 to create the same project, ...

Spreadsheet programs are effective tools for successful businesses. These programs can significantly reduce the time needed to create reports and financial statements used to manage a business. Most ...

Microsoft Excel and Apple's Numbers are both spreadsheet applications that can automatically process numerical data and update when that data changes. Both are part of a software suite. Numbers can be ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...

Type an apostrophe before entering or pasting two numbers separated by a hyphen in Microsoft Excel to keep the numbers from being converted to their month and date equivalent. Dennis O'Reilly Former ...

The percentage difference is usually calculated when you want to know the difference in percentage between two numbers. Microsoft Office Excel is a great tool to help you get started. In this post, we ...

Microsoft has updated Excel to allow developers to programmatically create their own custom data types in the popular spreadsheet program. This update isn't aimed at Excel-using business execs but ...