A pocket computer was a 1980s-era
user programmable calculator
An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.
The first solid-state electronic calculator was created in the early 1960s. Pocket-sized ...
-sized computer that had fewer screen lines,
[Some had only one line] and often fewer characters per line, than the
Pocket-sized computer
Pocket-sized computer describes the post-programmable calculator / pre-smartphone pocket-sized portable-office hardware devices that included the earlier DOS-based palmtops and subsequent Windows-CE handhelds, as well as a few other terms, primaril ...
s introduced beginning in 1989.
Manufacturers included
Casio
is a Japanese multinational electronics manufacturing corporation headquartered in Shibuya, Tokyo, Japan. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and analogue and digital watches. It ...
,
Hewlett-Packard
The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company headquartered in Palo Alto, California. HP developed and provided a wide variety of hardware components ...
,
Sharp
Sharp or SHARP may refer to:
Acronyms
* SHARP (helmet ratings) (Safety Helmet Assessment and Rating Programme), a British motorcycle helmet safety rating scheme
* Self Help Addiction Recovery Program, a charitable organisation founded in 19 ...
,
Tandy/Radio Shack (selling Casio and Sharp models under their own TRS line) and many more. The last Sharp pocket computer, the PC-G850V (2001) is programmable in C, BASIC, and Assembler. An important feature of pocket computers was that all programming languages were available for the device itself, not downloaded from a
cross-compiler
A cross compiler is a compiler capable of creating executable code for a platform other than the one on which the compiler is running. For example, a compiler that runs on a PC but generates code that runs on an Android smartphone is a cross ...
on a larger computer.
The programming language was usually
BASIC
BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Thomas E. Kurtz at Dartmouth College ...
.
See also
*
Formula calculator
A formula calculator is a software calculator that can perform a calculation in two steps:
# Enter the calculation by typing it in from the keyboard.
# Press a single button or key to see the final result.
This is unlike button-operated calcula ...
*
Mobile device
A mobile device (or handheld computer) is a computer small enough to hold and operate in the hand. Mobile devices typically have a flat LCD or OLED screen, a touchscreen interface, and digital or physical buttons. They may also have a physical ...
*
Programmable calculator
Programmable calculators are calculators that can automatically carry out a sequence of operations under control of a stored computer programming, program. Most are Turing complete, and, as such, are theoretically general-purpose computers. Howe ...
*
Smartbook
A smartbook was a class of mobile device that combined certain features of both a smartphone and netbook computer, produced between 2009 and 2010.
Smartbooks were advertised with features such as always on, all-day battery life, 3G, or Wi-Fi conn ...
References
External links
Pocket Computer MuseumSoviet Calculators Collection
www.calculators.de
– Museum of Pocket Calculating Devices
List of pocket computers manufacturers
* http://www.angelfire.com/planet/geraldk/Gdkpc4.htm
* http://oldcomputers.net/
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