The PalmPilot, for example, uses a program called Graffiti that requires users to learn a special alphabet. The manufacturer, however, claims that users need to spend only about 20 minutes to master the software. Dr. Kramer prefers to use a program called Jot, developed by Communication Intelligence Corporation, in part because he did not have to learn a special alphabet or undergo any special training. But there is a learning curve with any of the methods of inputting data. Dr. Kramer suggested trying several programs.
Software developers offer demo versions that can be downloaded for free to help users decide.
Some veteran users of handwriting recognition software claim that they can write notes just as fast when using handwriting recognition with a stylus on the screen as they can when putting pen to paper. But Dr. Thompson said that most physicians using Graffiti can write only about 25 words per minute. That's why Dr. Thompson prefers to use a keyboard to input data. Similar devices for palm-size and handheld computers are expected to follow. This summer, a new wave of PDA models appeared, complicating the market even further.