Developed by a physician for all health care providers who care for obstetric patients, PregCalc Professional, now in version 4.1, is the easy-to-use, full functioned obstetrical calculator: ? Makes simple work of dating pregnancies with a wide variety of available date and measurement calculations. ? Date a pregnancy at any point, for any point and get a gestational age based on LMP for any date. Enter ultrasound data and use that to verify or modify dating. Even check your ultrasound dating by predicted measurements. ? Once patients? pregnancies are dated, PregCalc stores their information for easy recall at a moments notice. ? Beam lists of patients to colleagues with Palm OS (tm) based handhelds. ? Print patient lists directly from the handheld with via infrared beaming (IR-equipped printer and PalmPrint software required). ? Windows users can also take advantage of the PregCalc Pro desktop application, which allows full two-way synchronization with the handheld program. Enter patients on the handheld, the desktop, or both and have an updated, identical list with a simple HotSync operation (tm). The desktop version also allows printing. Check out the free demo now. The package you'll download will contain a full working version of the application for your Palm OS (tm) device which will allow you try all the features of the program. The only limitation is that you can only use the program for two weeks. If you decide you like the program, simply register to receive an unlock key to remove the limit.