The main purpose of a handheld computer is to help you organize your life. All handheld computers include applications that allow you to
Manage and organize appointments using calendar and datebook software. This is one of the most important handheld applications. You can enter meetings, appointments, and much more in a format analogous to a “Day-Timer” or similar book-style engagement calendar. Handheld calendar software also allows you to enter repeating events, a great way to track standing appointments, birthdays, and more.
Enter notes, memos, or even random poetic musings with a memo pad application.
Perform mathematical operations with a calculator.
Track the things you need to do with a task list application. ...