Monroe Systems for Business (Morris Plains, N.J.)

Monroe sold the first commercially available calculator (mechanical, of course) in 1912, and is still in business today selling high-end calculators.

Monroe OC8810 Occupational Microcomputer Series (1981, desktop)
Base Configuration: 3MHz Z80A CPU, Monroe Operating System (MOS), expansion slot, 128K RAM (256K max), 2K ROM, 5.25-inch floppy disk drive, integral 9-inch monochrome CRT, integral keyboard/keypad, three RS-232 ports, BASIC, Pascal
Video: 24-line x 80-column text
Important Options: CP/M, second 5.25-inch floppy disk drive, 5- or 10MB hard disk drive, printer, modem

Monroe EC 8800 (desktop)
Original Retail Price: $3,595
Base Configuration: Z80A CPU, MOS, 128K RAM, RS-232C port, BASIC, Pascal
Video: 24-line x 80-column text, 240 x 240 graphics, eight colors
Important Options: CP/M

Monroe System 2000 (Nov. 1983, desktop PC)
Original Retail Price: $3,695
Base Configuration: 8MHz 80186, MS-DOS and CP/M-86 DPX, five slots, 128K RAM (896K max), 5.25-inch floppy disk drive, 12-inch monochrome monitor, keyboard/keypad, two RS-232C and one parallel port
Video: 25-line x 80-column text, 640 x 400 graphics
Size/Weight: 19.5 x 15.5 x 4.37 inches, 31.5 lbs.
Important Options: 4MHz Z80A coprocessor, 10MB hard disk drive, 14-inch color monitor, modem

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