Software

Today Insightful Corporation (NASDAQ: IFUL) announced the release of S-PLUS 8 Enterprise Developer, the latest release of Insightful�s software platform for statistical data analysis and predictive analytics. S-PLUS 8 provides the most comprehensive development environment yet and enables the rapid deployment and delivery of applications based on predictive analytic modeling to a much broader set of users across the enterprise. S-PLUS 8 now enables cross talk and compatibility with its open source cousin R. In addition, Insightful will also be announcing a free upgrade for maintenance customers of Insightful�s S-PLUS� 6.2 or 7 Professional Developer, to its S-PLUS 8 Enterprise Developer.

SEATTLE, WA � May 21, 2007 � Insightful Corporation (NASDAQ: IFUL), a leading provider of predictive analytics and reporting solutions, announced today the immediate availability of S-PLUS� 8 Enterprise Developer, the latest major release of Insightful�s software platform for statistical data analysis and predictive analytics.

S-PLUS 8 Enterprise Developer provides statisticians and developers with enhanced programming efficiencies, versatility, comprehensive graphics production and advanced statistical methods, all of which increase programmers� ability to anticipate and plan for change. With S-PLUS 8 Enterprise Developer, IT organizations can speed their deployment of advanced, integration-friendly analytical solutions. S-PLUS 8 Enterprise Developer also provides users with the visualization and reporting tools necessary to communicate results to technical and non-technical audiences, delivering the knowledge to act on critical decision points.

�S-PLUS provides me with the tools necessary to work faster and more flexibly with clinical data,� said Harry Southworth, statistical science director for AstraZeneca, one of the world's leading pharmaceutical companies. �The superior quality of the graphs has made it easier for me to communicate across a broad audience including statisticians, drug safety personnel and physicians.�

KEY FEATURES IN S-PLUS 8.0

• Workbench: This feature, originally introduced in S-PLUS 7, has been further enhanced in the 8 release. Programmers can speed the development of applications for competitive advantage by using the new debugger and profiler. The interactive debugger allows users to quickly debug S-PLUS code from within the S-PLUS workbench. The workbench has modern debugging tools including step debugging and breakpoints. The profiler provides an environment for writing and developing functions in S-PLUS that allow profiling of time and memory allocation within S-PLUS tasks. The user can now optimize the code�s execution by evaluating where bottlenecks exist.
• Graphics enhancements: S-PLUS is already a leading platform for graphics creation and delivery. In version 8, Insightful has included a larger and normalized color palette as well as providing simplified code to deliver complex graphs and charts. Whether a developer is creating graphics for submission to the FDA or distribution to a group of portfolio managers at an investment bank, S-PLUS 8 Enterprise Developer makes this task easier and more time efficient.
• S-PLUS Package System: With already 25 published packages available, S-PLUS 8 Enterprise Developer provides a convenient framework for creating and distributing libraries for S-PLUS and for converting packages written in R (S-PLUS�s open-source cousin) for use in S-PLUS.
• S language extensions: Over one hundred new functions have been added in order to support the graphics enhancements, the S-PLUS Package System and to augment compatibility with R. Types of functions that have been added include math, character, file manipulation and string manipulation.

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