Recreational uses
PDAs may be used by music enthusiasts to play a variety of music file formats. Many PDAs include the functionality of an MP3 player.
Road rally enthusiasts can use PDAs to calculate distance, speed, and time. This information may be used for navigation, or the PDA's GPS functions can be used for navigation.
Underwater divers can use PDAs to plan breathing gas mixtures and decompression schedules using software such as "V-Planner."
PDAs for people with disabilities
PDAs offer varying degrees of accessibility for people with differing abilities, based on the particular device and service. People with vision, hearing, mobility, or speech impairments may be able to use PDAs on a limited basis. This use may be enhanced by accessibility software (e.g., speech recognition for verbal input instead of manual input). Universal design is relevant to PDAs as well as other technology, and a viable solution for many user-access issues, though it has yet to be consistently integrated into the design of popular consumer PDA devices.
PDAs are useful for people with traumatic brain injury or posttraumatic stress disorder, as seen in troops returning home from the Iraq War and Operation Enduring Freedom. PDAs help address memory problems, helping affected people with daily life organization and reminders. As of quite recently, the Department of Veterans' Affairs has issued thousands of PDAs to troops who need them. Occupational therapists have taken on a crucial role within this population helping these veterans return to the normality of life they once had.
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