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Wiktionary, the free dictionary.This disambiguation page lists articles associated with the same title.Quattro Pro is a spreadsheet program developed by Borland and now sold by Corel, most often as part of Corel's WordPerfect Office.It is commonly said to have been the first program to use the "tabbed notebook" metaphor.It currently runs under the Windows operating system.Borland changed the name to Quattro Pro for its 1990 release.Origins
The original Borland Quattro spreadsheet was a DOS program written in assembly language and Turbo C principally by Adam Bosworth, Lajos Frank, and Chuck Batterman.It was praised mainly for superior graphics on DOS.The principal designers and programmers of Surpass were also hired by Borland to turn Surpass into Quattro Pro: Bob Warfield, Dave Anderson, Weikuo Liaw, Bob Richardson and Tod Landis.Quattro Pro shipped in the final quarter of 1989.The Borland main office was near the epicenter of the Loma Prieta earthquake and the building was severely damaged when the sprinkler system was triggered.The building was closed for months.All the computers were pulled out, placed in the tennis courts, washed down (acoustic ceilings rained gray mush onto everything when the sprinklers went off) and dried with hair dryers.Those that booted up were put to work.Quattro Pro finished final quality assurance testing and was sent to manufacturing from those computers running in the tennis courts in the (fortunately) sunny and dry autumn weather.Quattro Pro was on the market.However BoeingCalc was so slow that its multiple sheet capabilities were nearly unusable.Quattro Pro was the subject of a major lawsuit by Lotus against Borland.Borland argued that just as all cars operate in the same way, Lotus could not rationally "own" the way its program behaved.However, the broader issue of whether a company can own and protect the way its program behaves remained unresolved.By the time the case was resolved, Borland no longer owned Quattro Pro.Borland sold the spreadsheet to Novell six months before the final decision was handed down.Windows from Microsoft, a Windows version of Quattro needed to be written.However, the C++ compiler was not ready at first, and OO code for both projects was started in C with OO emulation through macros.As the Borland Turbo C++ compiler became available internally the projects converted to using C++.Charlie Anderson was put in charge of the project and he soon had Istvan Cseri, Weikuo Liaw, Murray Low, Steven Boye, Barry Spencer, Dave Orton, Bernie Vachon, Anson Lee and Chuck Batterman working on the project.Eventually the team numbered nearly 20.Spencer were in charge of the spreadsheet engine (written in assembly language) while Mr.Low wrote a large chunk of the UI.QPW featured 2 major innovations.First, it was the first Windows' spreadsheet with multiple pages with cells that could be linked together seamlessly, a feature from Quattro Pro which QPW extended.QPW was one of the first big applications written in C++ on Windows and it pushed the Borland C++ compiler to the limit.One reason why the Borland C++ Compiler was so good was because it had to compile and link the massive QPW code base successfully.The object model was untried and might not have worked for a spreadsheet.That proved impossible despite serious thought and design efforts.QPW was finally released in September 1992.Work was started immediately on a new version with a brand new team of engineers led by Joe Ammirato; including Bret Gillis and Peter Weyzen.Work then started on version 6 (now with Steven Boye as project lead).WordPerfect word processor was made.This was a significant modification to the Windows operating system with a major change to user interface guidelines.In an odd set of events, Novell purchased both WordPerfect corporation and purchased the Quattro Pro code base and team of engineers from Borland.Novell was going to try to be a real competitor to Microsoft.Although Version 6 was released and some effort was made to unify the user interface between WordPerfect and QPW, the effort was far from complete.Disaster
The release of Windows 95 in August 1995 was the beginning of the end for Novell and its plans to compete with Microsoft.The synergy of the new OS with the new Microsoft Office was overwhelming.Sales of Novell PerfectOffice (and Lotus applications as well) sank to almost nothing while sales of the Microsoft products were huge.Within three months, Novell announced they were going to sell their applications to someone (eventually that proved to be Corel).As of 2005, Microsoft still dominates the market for Windows business application software, though Quattro Pro and WordPerfect are still both updated and sold.External links
Review of Quattro Pro 1.Review of Quattro Pro 2.The Quattro Range has been put together with the customer in mind.Quattro Wireless brings publishers, advertisers and wireless operators together to embrace the mobile Web.Quattro combines its diverse global network of publishers with exclusive advertising inventory to form the mobile industry's premiere marketplace.Quattro Wireless connects advertisers with premium mobile sites that you know and trust from the wired web.Please feel free to use this code on your own website free of charge.You can also distribute and modify this source code as long as this
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