Electronic calculator companies

The Hewlett-Packard Company, commonly shortened to Hewlett-Packard ( ) or HP, was an American multinational information technology company. It was founded by Bill Hewlett and David Packard in 1939 in a one-car garage in Palo Alto, California. Growing to become an influential high-tech powerhouse at the heart of Silicon Valley, the company was known for its progressive business philosophy, deemed the HP Way. HP developed and provided a wide variety of hardware components, as well as software and related services, to consumers, small and medium-sized businesses (SMBs), and fairly large companies

Japanese multinational imaging corporation

Japanese electronics company

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 was founded in 1946, and in 1957 introduced the first entirely compact electronic calculator. It was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians along with introducing the first mass-produced digital watches.

American multinational semiconductor design and manufacturing company

former North American home computer and electronics manufacturer

core company of a Japanese global corporate group based in Tokyo, Japan

was a Japanese manufacturer of cameras, lenses, camera accessories, photocopiers, fax machines, and laser printers. Minolta Co., Ltd., which is also known simply as Minolta, was founded in Osaka, Japan, in 1928 as . It made the first integrated autofocus 35 mm SLR camera system. In 1931, the company adopted its final name, an acronym for "Mechanism, Instruments, Optics, and Lenses by Tashima".

American computer company (1951–1999)

thumb|On the left, the NEC TK-80 kit, based on Intel 8080 chip; on the centre, Busicom calculator motherboard, based on Intel 4004 chip; and on the right, the Busicom calculator, fully assembled in [[Ueno, Tokyo]]

thumb|1947 Heathkit ad featuring the 5-inch oscilloscope. thumb|An oscilloscope OL-1 from 1954, the company's first with a relatively small 3-inch cathode-ray tube|CRT which allowed for a highly competitive price of US$ 29.50 () for the DIY kit.

American manufacturer of typewriters, and mechanical and electronic calculators

English electronics company