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This article presents information on two computer softwares developed in the U.S. Mathcad calculation software, developed by Mathsoft Engineering & Education Inc., enables one to capture and reuse knowledge contained within engineering calculations. The upgrade contains new features that streamline engineering tasks for individuals and teams, says the developer. The online training system CADLearning.com, developed by 4D Technologies, operates much like an Internet-based university. It's a membership-based learning center where professional computer-aided design users can pick up additional skills pertinent to the systems they work on.

This article presents information on two computer softwares developed in the U.S. One doesn't have to know statistics inside out in order to use Uncertainty Sidekick, a software application developed by Integrated Sciences Group, that analyzes measurement uncertainty. The package includes a structured analysis path with access to drill-down screens and worksheets. NX, developed by UGS Corp., combines computer-assisted design, analysis, and manufacturing with data management and several other options. Version 4 continues the migration of functionality from I-deas into NX with the addition of integrated CFD and thermal analysis tools that weren't available in version 3.