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 ( ) is a multinational electronic devices manufacturing company founded in 1946, with its headquarters in Shibuya, Tokyomarker, Japanmarker. Casio is best known for its calculators, audio equipment, PDAs, cameras, musical instruments, and watches. In 1957 Casio released the world's first entirely electric compact calculator.


Casio was established in April 1946 by Tadao Kashio, an engineer specializing in fabrication technology. Kashio's first major product was the yubiwa pipe, a finger ring that would hold a cigarette, allowing the wearer to smoke the cigarette down to its nub while also leaving the wearer's hands free. Japan was impoverished immediately following World War II so cigarettes were valuable, and the invention was a success.

After seeing the electric calculators at the first Business Show in Ginzamarker, Tokyo in 1949, Kashio and his younger brothers used their profits from the yubiwa pipe to develop their own calculators. Most of the calculators at that time worked using gears and could be operated by hand using a crank or using a motor (see adding machine). Kashio had some knowledge of electronics, and set out to make a calculator using solenoids. The desk-sized calculator was finished in 1954 and was Japan's first electro-mechanical calculator. One of the central innovations of the calculator was its adoption of the 10-key number pad; at that time other calculators were using a "full keypad", which meant that each place in the number (1s, 10s, 100s, etc...) had nine keys. Another innovation was the use of a single display window instead of the three display windows (one for each argument and one for the answer) used in other calculators.

In 1957 Casio released the Model 14-A, sold for 485,000 yen, the world's first all-electric compact calculator, which was based on relay technology. 1957 also marked the establishment of Casio Computer Co. Ltd.

In the 1980s, its budget electronic instruments and home keyboards gained huge popularity. The company also became well known for the wide variety and innovation of its wristwatches. It is one of the early manufacturers of quartz crystal watches, both digital and analog. It also began selling calculator watches during this time. It was one of the first manufacturers of watches that could display the time in many different time zones and of watches with temperature, atmospheric-pressure, altitude, and even GPS position displays.

A number of notable digital cameras firsts have been made by Casio, including the first consumer digital camera with an LCD screen, the first consumer 3 megapixel camera, the first true ultra-compact model, and the first digital camera to incorporate ceramic lens technology.

Timeline of important product releases

  • 1957 Casio releases the Model 14-A, the world's first all-electric compact calculator.
  • 1965 The 001 calculator is released.
  • 1972 The release of Casio's personal calculator. The Casio "Mini" sells for 12,800 yen, going on to sell over 10 million units.
  • 1974 The Casiotron, a watch that features a fully automatic calendar, including month lengths and leap years, is released.
  • 1980 Casio releases its Casiotone keyboard instrument.
  • 1983 The first G-Shock watch, the DW-5000C, is released.
  • 1985 Casio launches its first professional synthesiser, the CZ-101.
  • 1995 The Illuminator/Foxfire backlight is released. The DW-5600E was announced as the first G-Shock watch with a full EL LCD panel.
  • 1995 The QV-10, the world's first digital camera that includes a TFT display, is released.
  • 2002 The EX-S1, the first Exilim digital camera is released.
  • 2007 The OCW-S1000J, dubbed the Oceanus "Manta", is released, being the world's thinnest solar-powered chronograph at approx. 8.9 mm in thickness.


Today, Casio is most commonly known for durable, large sized watches. Especially popular are its dual function (LCD and analog) watches, some of which, called Wave Ceptors, receive radio signals daily from an atomic clock to keep accurate time.

Other products include calculators, cash registers, illuminators, digital camera (Exilim Series), laptop and sub-notebook computers, mobile phones, musical keyboards, PDAs (E-Data Bank), electronic dictionaries and Wordtank, Digital Diaries, computer printers, clocks, and portable televisions.

File:Casio fx-7000G FullLength.JPG|Casio fx-7000G, the world's first graphing calculatorImage:CASIO.jpg|An old Casio CalculatorImage:QV-10.jpg|QV-10 Digital cameraImage:Casio EX-S600 front.jpg|EX-S600 Digital CameraImage:Au W31CA CASIO gif-anime1.gif|Au W31CA Mobile phoneImage:DW5600c-1.png|DW5600C A G-Shock watchImage:DW-5600E.png|DW-5600E-1V One of the first Illuminator watchesImage:Casio_PRG60_Triple_Sensor_Watch.JPG|Casio PRG 60 AVER Triple Sensor WatchImage:Casio400.jpg|Casio "Wave Ceptor" Radio-Synchronized WatchImage:Casio Tough Solar Wave Ceptor.jpg|Casio Tough Solar "Wave Ceptor" watchImage:Casio Triple Sensor Pro Trek.jpg|Pro Trek Triple Sensor WatchImage:Casio Solar Scaled.jpg|Casio "G-Shock"with"Tough Solar" watchImage:CASIO electronic dictionary EV-SP3900.jpg|Casio Electronic DictionaryImage:Casio_fx-991MS_scientific_calculator_1aa.jpg|fx-991MS Scientific CalculatorImage:Casio SF-8000 Digital Diray.jpg|CASIO SF-8000 Digital Diary

In popular culture

  • A Casio digital watch was used as the timer for the bomb used in the Oplan Bojinka plot.
  • In the film The Cat in the Hat, the main character, the Cat, plays a piano with the logo "Cat-sio" printed on it, an obvious spoof of the company's name.
  • In the videogame Headhunter, by Amuze and Sega for the Dreamcast and Playstation 2, the protagonist of the game, Jack Wade, has a fictional wrist watch VM, which is based on a real-life Casio wrist watch, the WQV-2. The WQV-2 has a built-in digital camera, while the fictional version seen in the game had many additional functions, like a built-in location tracker and a cell phone.
  • In the film Enemy of the State Gene Hackman offers Will Smith a watch with which he is to time a series of events at the end of the film. The watch is a very basic Casio - Smith remarks "Oh, you shouldn't have. This thing must've cost 12, 13 bucks, easy."
  • In "Defending Your Life" Lena Foster (Lee Grant) remarks "the Casio Corporation is one of the largest manufacturer of timepieces in the universe"
  • Nick Nolte (Jack Cates) wears Casio in "48 Hrs." action comedy
  • A Casio DG-20 digital electronic guitar appears in some episodes of the HBO series Flight of the Conchords
  • In the film Planes, Trains and Automobiles After Steve Martin's and John Candy's characters' credit cards are destroyed, they attempt to bargain with the hotel clerk for a room for the night. Martin successfully rents a hotel room with forty-two dollars and an expensive watch. However, when the clerk asks if Candy has forty-two dollars and a nice watch, he replies that he has two dollars and a Casio.
  • In the film 13 Going on 30 Matt wants to play a song to Jenna with his Casio (electronic keyboard).
  • In an episode of the Canadian TV series Corner Gas, a Casio calculator was used as an electronic security system.

See also


Digital cameras

Electronic sirens

Watch Series

Scientific calculators

Handheld computers


  1. Casio desktop calculator by Dentaku Museum.

External links

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