Pocket computer

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Not to be confused with Pocket PC, DIP Pocket PC, Poqet PC, or ZEOS Pocket PC.
Sharp PC-E500S pocket computer

A pocket computer was a small calculator-sized handheld programmable computer.

This specific category of computers existed primarily in the 1980s. Manufacturers included Casio, Hewlett-Packard, Sharp, Tandy/Radio Shack (Selling Casio and Sharp models under their own TRS line) and many more.

The programming language was usually BASIC, but some devices offered alternatives. For example the Casio PB-2000 could be programmed in Assembly, BASIC, C, and Lisp.[1] An important feature of pocket computers was that all programming languages were available for the device itself, not downloaded from a cross-compiler on a larger computer.

Though not identical, in principle personal digital assistants, handheld PCs, and programmable calculators serve many of the same functions as the old pocket computers, generally with significantly more computing power in a package the same size or smaller. The main distinction is that more modern designs (with the exception of programmable calculators) usually do not have included programming ability and are usually set up to act as clients of a larger system rather than as self-contained environments of their own, whereas the early pocket computers had their own data storage and input/output facilities such as printers and tape drives.

List of devices[edit]

Manufacturer Model
AEG Olympia LCD-22 (Olympia is the line of AEG computers, not a rebranding of this machine by the Olympia corporation)
Angstrem MK-85, MK-85m
Atari Portfolio
Cambridge Research Z88
Canon X-07
Casio FX-702P, FX-850P, FX-880P PB-1000, PB-2000, PB-80, PB-100, PB-500F, PB-770, Z1-GR
Citizen PN-48
Commodore Pocket Commodore 64
Dauphin DTR-1, DTR-2
Elektronika MK 85, MK-85M, MK-90, MK-95, MK-98
Epson HX-20, HX-40, PX-4,PX-8
Fujitsu General LBC-1100
General see Fujitsu
Grid Compass
HP HP-75C, HP-71B, HP 95LX, HP 100LX as well as 200LX and 400LX
Kikuichi PC-A10, PC-A2
National see Matsushita
Matsushita National JR-800
Mitsubishi MLF-48
National Cash Register (NCR)
NEC PC-2001
Nixdorf Computer LK-3000
Olivetti Quademo
Olympia OL-H004
Panasonic RL-H1400 HHC (also sold as Quasar HK-2600TE), RL-H1800 HHC
Psion Organiser
Quasar HK-2600TE
RCA Comsac
Seiko MC-2200, DF-2200
Sharp PC-1211, PC-1500, PC-1600, Sharp PC-1250, PC-1280, PC-1350, PC-1360, EL-5500III, PC-E500S,[sharp PC-G380|PC-G380], Sharp PC-G850V
Smith Corona PTA-632
Tandy Corporation Tandy Pocket Computer aka TRS-80 Pocket Computer range: PC1 through PC-4 and PC-8 clones of Sharp machines, PC-5 through PC-7 Casio clones
Texas Instruments TI-74, TI-74S, TI-95, CC-40
Toshiba IHC-8000 system

[2] [3] [4] [5] [6] [7] [8]

See also[edit]


  1. ^ Description of the PB-2000 in Caz Pocket Computers
  2. ^ http://www.epocalc.net/php/liste_calc.php?tri=nbr&sens=DESC
  3. ^ http://www.angelfire.com/planet/geraldk/Gdkpc4.htm
  4. ^ http://oldcomputers.net/
  5. ^ http://www.rskey.org/CMS/index.php/7?manufacturer=Sharp&model=PC-1300S
  6. ^ http://pocket.free.fr/index.html
  7. ^ http://sharppocketcomputers.com/
  8. ^ http://pocket.free.fr/html/sharp/sharp_e.html

External links[edit]