Cass R. Lewart

• Controlling Your World with the I. B. M. Personal Computer Junior
• Modem handbook for the communications professional
• Science & engineering sourcebook
• Science and engineering programs for the IBM-PC
• Science and engineering programs for the Timex/Sinclair 1000
• The Ultimate Modem Handbook
• Science and Engineering Programmes for the I. B. M. Personal Computer
• Spreadsheet Solutions for the Sharp Electronic Organizer/Includes 3 1/2 Disk/No Ea 805-01