Patrick Bultema

Subjects

Lotus 1-2-3 (Computer file), Lotus 1-2-3 (computer program), Business, Computer programs, Electronic spreadsheets, MS-DOS (Computer file), Microcomputers, handbooks, manuals, etc., PC-DOS (Computer file), Pc-dos (computer operating system), Application software, Backup processing alternatives, Data processing, Electronic data processing, IBM-compatible computers, Mailing lists, Microcomputers, Ms-dos (computer operating system), Operating systems (Computers), Operating systems (computers), WordPerfect (Computer file), Wordperfect (computer program)