WASHINGTON -- November 26, 2001 -- Medical Toolbox Software, publisher of health care applications for Palm OS (tm) powered handheld organizers, announced today that it has acquired PregCalc, the industry leading obstetrical calculator program, from Thenar Software of Portland, Oregon. The sale to Medical Toolbox includes transfer of all intellectual property and worldwide marketing rights for the Professional Personal versions of PregCalc.

Originally conceived and written by a physician, PregCalc has become the standard handheld application used by all types of health care providers who care for patients at all stages of pregnancy. PregCalc provides several intuitive methods for dating pregnancies, customizable clinical reminders, and powerful collaborative tools to allow easy sharing of patient lists between providers via the infrared beaming port found on Palm OS (tm) powered handheld organizers. With version 4.0, PregCalc added a companion desktop application for the Windows operating system.

"We are excited about this acquisition and the depth it brings to our product line," says Peter Wu, M.D., Medical Toolbox president. "PregCalc is a mature, robust application that is a proven leader in the health care segment of the Palm OS (tm) software marketplace. The addition of PregCalc to our code base will allow the introduction of exciting new features to our StatTracker products."

Medical Toolbox Software is a privately held company based in Washington, D.C. Previously known as Workingpalm.com, the company published its first application for Palm OS (tm) powered handheld organizers in 1999.