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- Friden,_Inc. abstract "Friden Calculating Machine Company (Friden, Inc.) was an American manufacturer of typewriters and electronic calculators. It was founded by Carl Friden in San Leandro, California in 1934. Friden electromechanical calculators were robust and popular.In 1957, Friden purchased the Commercial Controls Corporation of Rochester, New York. This gave them the Flexowriter teleprinter, an electric typewriter capable of being used as part of unit record equipment developed in World War II for the Department of the Navy to automatically type "regret to inform you" letters to the survivors of fallen servicemen, the predecessor to modern computers. The Flexowriter could be attached to Friden calculators and driven by paper tape to produce bills and other form letters which had names of customers and amounts of bills filled in automatically. Friden eventually expanded into production of a few models of early transistorized computers.Friden introduced the first fully transistorized desktop electronic calculator, the model EC-130 in June 1963, designed by Bob Ragen. This machine had a 13-digit capacity and a 5-inch CRT display. It used a magnetostrictive delay line for memory (delay line memory) IEEE First-Hand, to save money on expensive transistors. The EC-130 sold for $2200, about three times the price of comparable electromechanical calculators of the time. It was the first calculator to use reverse Polish notation (RPN), which eliminated the need for parentheses to specify the order of operations in complex calculations. The successor model EC-132 added a square root function.In 1965 the company was purchased by the Singer Corporation, but continued operation under the Friden brand name until 1974.The Singer – Friden Research Center in Oakland, California, later moved to Palo Alto, California (1965 to 1970), did not come up with an IC-based, truly pocket-sized calculator in time to compete with the corresponding new Japanese products, such as the Busicom, based on Intel 4004 in 1971, Casio Mini and Sharp EL-805 in 1972. In particular, engineer James M. Comstock, working on a pocket calculator project, did not get the necessary priority and support by management to develop such a product.".
- Friden,_Inc. extinctionYear "1965".
- Friden,_Inc. fate "Acquired".
- Friden,_Inc. foundationPlace San_Leandro,_California.
- Friden,_Inc. foundationPlace United_States.
- Friden,_Inc. foundedBy Carl_Friden.
- Friden,_Inc. successor Singer_Corporation.
- Friden,_Inc. thumbnail The_Childrens_Museum_of_Indianapolis_-_Friden_model_132_calculator.jpg?width=300.
- Friden,_Inc. wikiPageExternalLink friden.
- Friden,_Inc. wikiPageExternalLink First-Hand:Liquid_Crystal_Display_Evolution_-_Swiss_Contributions.
- Friden,_Inc. wikiPageExternalLink fri1112.html.
- Friden,_Inc. wikiPageExternalLink friden1152.html.
- Friden,_Inc. wikiPageExternalLink friden1162.html.
- Friden,_Inc. wikiPageExternalLink friden130.html.
- Friden,_Inc. wikiPageExternalLink friden132.html.
- Friden,_Inc. wikiPageExternalLink fridenstw.html.
- Friden,_Inc. wikiPageID "4280224".
- Friden,_Inc. wikiPageRevisionID "561921564".
- Friden,_Inc. caption "Friden Model 132 Calculator, 1965".
- Friden,_Inc. fate "Acquired".
- Friden,_Inc. foundation San_Leandro,_California.
- Friden,_Inc. foundation United_States.
- Friden,_Inc. founder Carl_Friden.
- Friden,_Inc. genre "Technology".
- Friden,_Inc. hasPhotoCollection Friden,_Inc..
- Friden,_Inc. logo "300".
- Friden,_Inc. name "Friden, Inc.".
- Friden,_Inc. successor Singer_Corporation.
- Friden,_Inc. type "Private".
- Friden,_Inc. subject Category:1934_establishments_in_California.
- Friden,_Inc. subject Category:Calculators.
- Friden,_Inc. subject Category:Companies_based_in_San_Leandro,_California.
- Friden,_Inc. subject Category:Companies_disestablished_in_1974.
- Friden,_Inc. subject Category:Companies_established_in_1934.
- Friden,_Inc. subject Category:Mechanical_calculator_companies.
- Friden,_Inc. type Abstraction100002137.
- Friden,_Inc. type CompaniesBasedInSanLeandro,California.
- Friden,_Inc. type CompaniesDisestablishedIn1974.
- Friden,_Inc. type CompaniesEstablishedIn1934.
- Friden,_Inc. type Company108058098.
- Friden,_Inc. type Group100031264.
- Friden,_Inc. type Institution108053576.
- Friden,_Inc. type MechanicalCalculatorCompanies.
- Friden,_Inc. type Organization108008335.
- Friden,_Inc. type SocialGroup107950920.
- Friden,_Inc. type YagoLegalActor.
- Friden,_Inc. type YagoLegalActorGeo.
- Friden,_Inc. type YagoPermanentlyLocatedEntity.
- Friden,_Inc. type Agent.
- Friden,_Inc. type Company.
- Friden,_Inc. type Organisation.
- Friden,_Inc. type Organization.
- Friden,_Inc. type Agent.
- Friden,_Inc. type SocialPerson.
- Friden,_Inc. type Thing.
- Friden,_Inc. comment "Friden Calculating Machine Company (Friden, Inc.) was an American manufacturer of typewriters and electronic calculators. It was founded by Carl Friden in San Leandro, California in 1934. Friden electromechanical calculators were robust and popular.In 1957, Friden purchased the Commercial Controls Corporation of Rochester, New York.".
- Friden,_Inc. label "Friden, Inc.".
- Friden,_Inc. sameAs m.0btx5p.
- Friden,_Inc. sameAs Q5503567.
- Friden,_Inc. sameAs Q5503567.
- Friden,_Inc. sameAs Friden,_Inc..
- Friden,_Inc. wasDerivedFrom Friden,_Inc.?oldid=561921564.
- Friden,_Inc. depiction The_Childrens_Museum_of_Indianapolis_-_Friden_model_132_calculator.jpg.
- Friden,_Inc. isPrimaryTopicOf Friden,_Inc..
- Friden,_Inc. name "Friden, Inc.".