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Olivetti Quaderno, more "luggable" than portable

Olivetti Quaderno, more "luggable" than portable

Hewlett Packard 71B

Hewlett Packard 71B

Sony Clie NZ90

Sony Clie NZ90

Slide Rule Guide page 1

Slide Rule Guide page 1

TC-200 (IXO) (BYTE magazine, April 1982).

TC-200 (IXO) (BYTE magazine, April 1982).

1978 Hewlett Packard HP 38E HP 33E Calculator Photo Vintage Christmas Print Ad | eBay

1978 Hewlett Packard HP 38E HP 33E Calculator Photo Vintage Christmas Print Ad | eBay

The 15C was the first HP and first RPN calculator I owned. I'd give the guy back his 400 bucks for mine in the same condition!

The 15C was the first HP and first RPN calculator I owned. I'd give the guy back his 400 bucks for mine in the same condition!

Burroughs Series E 1400 Electronic Computing/ Accounting Machine  c.1966

Burroughs Series E 1400 Electronic Computing/ Accounting Machine c.1966

Commodore N-60 navigation calculator (1978) #retrocalculators #retrotech

Commodore N-60 navigation calculator (1978) #retrocalculators #retrotech

Zenith MinisPort, ZENITH ELECTRONICS CORPORATION.  July, 1989    The Zenith MiniSport, introduced by Zenith Electronics Corporation, is a small laptop based on a 80C88 CMOS CPU running at 4.77 MHz or 8 MHz. The MiniSport was one of the first actual small laptops, apart from a contemporary NEC model. It had one megabyte of battery-backed RAM, optionally expandable to two, ran MS-DOS from ROM, had a 640x200 pixel resolution LCD and CGA and composite monochrome outputs at price $1,995 .

Zenith MinisPort, ZENITH ELECTRONICS CORPORATION. July, 1989 The Zenith MiniSport, introduced by Zenith Electronics Corporation, is a small laptop based on a 80C88 CMOS CPU running at 4.77 MHz or 8 MHz. The MiniSport was one of the first actual small laptops, apart from a contemporary NEC model. It had one megabyte of battery-backed RAM, optionally expandable to two, ran MS-DOS from ROM, had a 640x200 pixel resolution LCD and CGA and composite monochrome outputs at price $1,995 .