1.   For instance, the popular Quicken checkbook program is made by Intuit Inc.

2.   One obstacle to any wider acceptance of Linux is the relative scarcity of commercial applications like word processors, checkbook programs and so on.

3.   Those that use dates in making calculations could experience errors in those calculations, such as spreadsheets and checkbook programs.

4.   Applications that use dates, such as checkbook programs, calendars or spreadsheet programs, also should be checked.