COMPUTERS; COMPUTER HARDWARE; PORTABLE, POCKET-SIZED COMPUTER SYSTEM, CONSISTING OF COMPUTER HARDWARE WHICH WOULD ALLOW THE EXCHANGE OF INFORMATION BETWEEN THE PORTABLE COMPUTER AND A DESKTOP COMPUTER; SOFTWARE PROGRAMS, NAMELY, PERSONAL INFORMATION MANAGEMENT SOFTWARE (PIMS) AND SOFTWARE FOR COMMUNICATION TO AND FROM THE PORTABLE COMPUTING SYSTEM VIA SERIAL CONNECTIVITY AND IRDA (INFRARED DATA ASSOCIATION); COMPUTER SOFTWARE PROVIDING ELECTRONIC MAIL, PERSONAL CALENDAR, GROUP SCHEDULING, TASK MANAGEMENT, BROWSING AND SHARING OF DOCUMENTS; COMPUTER PROGRAMS FOR MANAGING, VIEWING AND EDITING FILES, DOCUMENTS AND ELECTRONIC MAIL MESSAGES; COMPUTER PROGRAMS FOR MEETING AND EVENT SCHEDULING, MANAGING GROUP CALENDARS, RECORDING NOTES, TRANSFERRING DATA TO AND FROM A DATABASE AND TO AND FROM COMPUTER PROGRAMS, AND COMPUTER FILES; ADDRESS BOOK PROGRAMS; COMPUTER SOFTWARE FOR GENERAL MATHEMATICAL CALCULATIONS AND PROBLEM SOLVING; COMPUTER PROGRAM FOR OPERATING AN ELECTRONIC TIME CLOCK