AUSTIN, Texas—(BUSINESS WIRE)—May 6, 2008— National Instruments (Nasdaq:NATI) today announced the NI Graphical Differencing and User Interface Toolkit, a software solution that helps engineers and scientists identify differences between models built using The MathWorks, Inc. Simulink^® software. Engineers and scientists also can use the toolkit to easily create user interfaces to interact with their models built using Simulink. The ability to easily compare models and identify differences makes the toolkit ideal for team-based application development in industries such as aerospace, automotive and medical. Valid for worldwide use, the toolkit is offered in collaboration with ExpertControl, a technical software company headquartered in Germany.

The toolkit makes it possible for users to compare and identify the structural, parameter and visual differences between models including standard Simulink software blocks, subsystems, S-functions and statecharts developed using The MathWorks, Inc. Stateflow^® software. Users also can filter the list of differences to better view and manage the results. Additionally, users can visualize model differences in Simulink and export them to Microsoft Excel for further analysis.

The Graphical Differencing and User Interface Toolkit includes the ecDIFF^™ graphical differencing tool for comparing models built using the Simulink software as well as the NI LabVIEW Base graphical programming environment and the LabVIEW Simulation Interface Toolkit, giving engineers and scientists a comprehensive, easy-to-use software environment for creating design, control and test applications and connecting models developed using the Simulink software to the real world. With LabVIEW and the LabVIEW Simulation Interface Toolkit, users can create custom user interfaces in LabVIEW to interact with their models developed using Simulink software. Engineers and scientists also can connect their models to real-time I/O for prototyping, deployment and hardware-in-the-loop simulation using the LabVIEW Real-Time and LabVIEW FPGA modules.

Readers interested in more information about the Graphical Differencing and User Interface Toolkit can call 800-531-5066 to speak to a customer service representative or visit www.ni.com/visit to request a free on-site consultation from an NI field engineer.

About National Instruments

National Instruments ( www.ni.com) is transforming the way engineers and scientists design, prototype and deploy systems for measurement, automation and embedded applications. NI empowers customers with off-the-shelf software such as NI LabVIEW and modular cost-effective hardware, and sells to a broad base of more than 25,000 different companies worldwide, with no one customer representing more than 3 percent of revenue and no one industry representing more than 10 percent of revenue. Headquartered in Austin, Texas, NI has more than 4,800 employees and direct operations in nearly 40 countries. For the past nine years, FORTUNE magazine has named NI one of the 100 best companies to work for in America. Readers can obtain investment information from the company’s investor relations department by calling 512-683-5090, e-mailing Email Contact or visiting www.ni.com/nati.

NI Graphical Differencing and User Interface Toolkit				11500 N. Mopac Expwy, Austin, Texas 78759-3504
Priced(a) from $1,999; €1,949; ¥119,692				Tel: 800-258-7022, Fax: 512-683-9300
Web: www.ni.com/gdui				E-mail: Email Contact

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