Rational Software
Template:Short description Template:More citations needed Template:Update{{#invoke:Infobox|infobox}}Template:Template otherTemplate:Main other{{#invoke:Check for clobbered parameters|check|nested=1|template=Infobox company|cat=Template:Main other|name; company_name|logo; company_logo|logo_alt; alt|trade_name; trading_name|former_names; former_name|type; company_type|predecessors; predecessor|successors; successor|foundation; founded|founders; founder|defunct; dissolved|hq_location; location|hq_location_city; location_city|hq_location_country; location_country|num_locations; locations|areas_served; area_served|net_income; profit|net_income_year; profit_year|owners; owner |homepage; website }}{{#invoke:Check for unknown parameters|check|unknown=Template:Main other|preview=Page using Template:Infobox company with unknown parameter "_VALUE_" | ignoreblank=y | alt | area_served | areas_served | assets | assets_year | aum | brands | company_logo | company_name | company_type | defunct | dissolved | divisions | embed | equity | equity_year | fate | footnotes | headquarters | former_name | former_names | foundation | founded | founder | founders | genre | homepage | hq_location | hq_location_city | hq_location_country | incorporated | image | image_alt | image_caption | image_size | image_upright | income_year | industry | ISIN | key_people | location | location_city | location_country | locations | logo | logo_alt | logo_caption | logo_class | logo_size | logo_upright | members | members_year | module | name | native_name | native_name_lang | net_income | net_income_year | num_employees | num_employees_year | num_locations | num_locations_year | operating_income | owner | owners | parent | predecessor | predecessors | production | production_year | products | profit | profit_year | rating | ratio | revenue | revenue_year | romanized_name | services | subsid | subsidiaries | successor | successors | traded_as | trade_name | trading_name | type | website| qid | fetchwikidata | suppressfields | noicon | nocat | demo | categories }}Template:About-distinguish Rational Machines was an enterprise founded by Paul Levy and Mike Devlin in 1981 to provide tools to expand the use of modern software engineering practices, particularly explicit modular architecture and iterative development. It changed its name in 1994 to Rational Software, and was sold for US$2.1 billion (equivalent to current US$Template:Format priceTemplate:Inflation-fn) to IBM on February 21,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> 2003.
See also
- Rational Automation Framework
- IBM DevOps Code ClearCase
- Rational DOORS
- Rational Performance Tester
- Rational Rhapsody
- Rational Rose
- Rational Software Modeler
- Rational Synergy
- Rational Unified Process