IBM will pay $2.1 billion in cash to acquire modeling tools company Rational Software, in a bid to win over more application developers. Rational's business operations will be combined with IBM's ...

IBM executives said the shift, which comes nearly 10 months after IBM completed its purchase of Rational Software for $2 billion, will help clarify what solution providers describe as a sometimes ...

Rational Software, the tools division of IBM, next week is expected to lay out a strategy for making its development products better integrated and easier to use. At Rational's customer conference in ...

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Big Blue plans to pay $2.1 billion in cash for Rational Software, the leading seller of tools to create models of applications and databases before programmers actually start coding. Martin LaMonica ...