There are two major operating systems for the PDA, mainly Palm OS medical software and Pocket PC medical software, which was previously known as Windows CE. Now, nursing software market is dominated by the Palm OS. The palm OS medical software used by PDAs can handle many different functions like storing and retrieving patient's medical history. Prescriptions, fluids, vitals, labs, orders, calculators, references, care plans, nursing actions, and hundreds of treatment assessments.

There is some software on the cutting edge of technology that is helping nurses to streamline their tasks. With a pocket PC and one of the many pocket PC medical software packages available everyone from doctors to student nurses are using a Pocket PC to help treat patients more effectively.

Nowadays, palm medical software is emerging as crucial equipment that revolutionizes the management and usage of patient records in the health industry. With the help of this software, nurses and other staff, members not only scroll down notes and enter them into a computerized system, but also directly update the medical records and files of patients. The doctors who are specialists for emergency care can instantly access information about their patients. During the emergencies, this feature of the palm medical software plays a decisive role when it comes to helping patients.