Ampere, Inc., a Japanese computer systems company founded by Takashi Kusanagi in the early 1980s, first announced the WS-1 in June 1984 under the prototype name
BIG.APL. The WS-1 weighs and occupies a footprint of . Technology journalists noted the laptop's striking,
airfoil-esque case design, rendered by Japanese industrial designer Kumeo Tamura—better known as a principal behind the
Datsun 240Z coupé. Also present on the WS-1 are two serial ports and a
Centronics parallel port, The laptop was later manufactured as a single configuration set at 64 KB, expandable via the aforementioned cartridges to a lower RAM ceiling of 512 KB. The company aimed WS-1 at users of
APL, a programming language that uses graphic symbols to represent most functions and operators.
John J. Anderson, writing in
Creative Computing, called the display an improvement over that included with the earlier
Data General/One laptop: "[E]xtremely easy to read, even in less than optimal lighting conditions". ==Sales and legacy==