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- Concentric_Data_Systems abstract "Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and Jonathan Sachs, both having left their jobs as system programmers at Data General Corporation. Originally, the company undertook a variety of software consulting projects for the Data General line of computers. In 1981, the company developed a spreadsheet product, CompuCalc, that ran on Data General hardware and was modeled after VisiCalc.In 1982, Sachs left and joined Mitch Kapor to found Lotus Development Corporation.Concentric transitioned to a product development company, producing a series of software products for the IBM PC. The products were a file manager, C.I.P, followed by a report writer for Lotus, 1-2-3 Report Writer, followed by a series of report writers marketed under the name R&R. The R&R products worked with DBase, FoxBase, FoxPro, and various SQL database products.In 1995, Concentric Data Systems was acquired by Wall Data Corporation of Kirkland, WA.In 1999, Liveware Publishing, Inc. acquired the copyrights and intellectual property of the entire R&R and Arpeggio product line from Wall Data Corporation. R&R has been continuously updated and sold through the present.".
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- Concentric_Data_Systems wikiPageExternalLink concentricdatasystems.com.
- Concentric_Data_Systems wikiPageExternalLink 1G1-16864606.html.
- Concentric_Data_Systems wikiPageExternalLink products.htm.
- Concentric_Data_Systems wikiPageExternalLink Concentric+Data+Systems+Announces+ARPEGGIO(TM)+for+the+Developer-a018654658.
- Concentric_Data_Systems wikiPageID "30817418".
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- Concentric_Data_Systems wikiPageOutDegree "17".
- Concentric_Data_Systems wikiPageRevisionID "546901814".
- Concentric_Data_Systems wikiPageWikiLink Category:Companies_based_in_Massachusetts.
- Concentric_Data_Systems wikiPageWikiLink Category:Companies_established_in_1979.
- Concentric_Data_Systems wikiPageWikiLink Category:Defunct_computer_companies_of_the_United_States.
- Concentric_Data_Systems wikiPageWikiLink Category:Defunct_software_companies.
- Concentric_Data_Systems wikiPageWikiLink Category:Information_technology_companies_of_the_United_States.
- Concentric_Data_Systems wikiPageWikiLink DBase.
- Concentric_Data_Systems wikiPageWikiLink Data_General.
- Concentric_Data_Systems wikiPageWikiLink FoxBase.
- Concentric_Data_Systems wikiPageWikiLink FoxPro.
- Concentric_Data_Systems wikiPageWikiLink IBM_PC.
- Concentric_Data_Systems wikiPageWikiLink IBM_Personal_Computer.
- Concentric_Data_Systems wikiPageWikiLink Jonathan_Sachs.
- Concentric_Data_Systems wikiPageWikiLink Liveware_Publishing,_Inc..
- Concentric_Data_Systems wikiPageWikiLink Lotus_Software.
- Concentric_Data_Systems wikiPageWikiLink Mitch_Kapor.
- Concentric_Data_Systems wikiPageWikiLink SQL.
- Concentric_Data_Systems wikiPageWikiLink VisiCalc.
- Concentric_Data_Systems wikiPageWikiLink Visual_FoxPro.
- Concentric_Data_Systems wikiPageWikiLink Wall_Data_Corporation.
- Concentric_Data_Systems wikiPageWikiLinkText "Concentric Data Systems".
- Concentric_Data_Systems hasPhotoCollection Concentric_Data_Systems.
- Concentric_Data_Systems wikiPageUsesTemplate Template:Reflist.
- Concentric_Data_Systems subject Category:Companies_based_in_Massachusetts.
- Concentric_Data_Systems subject Category:Companies_established_in_1979.
- Concentric_Data_Systems subject Category:Defunct_computer_companies_of_the_United_States.
- Concentric_Data_Systems subject Category:Defunct_software_companies.
- Concentric_Data_Systems subject Category:Information_technology_companies_of_the_United_States.
- Concentric_Data_Systems type Company.
- Concentric_Data_Systems type Company.
- Concentric_Data_Systems type Establishment.
- Concentric_Data_Systems type Organization.
- Concentric_Data_Systems type Organization.
- Concentric_Data_Systems comment "Concentric Data Systems, Inc. was founded in December 1979 by John J. Henderson and Jonathan Sachs, both having left their jobs as system programmers at Data General Corporation. Originally, the company undertook a variety of software consulting projects for the Data General line of computers.".
- Concentric_Data_Systems label "Concentric Data Systems".
- Concentric_Data_Systems sameAs m.0gfdt11.
- Concentric_Data_Systems sameAs Q5158339.
- Concentric_Data_Systems sameAs Q5158339.
- Concentric_Data_Systems wasDerivedFrom Concentric_Data_Systems?oldid=546901814.
- Concentric_Data_Systems isPrimaryTopicOf Concentric_Data_Systems.