Three Potential User Communities for such Tools

• The ``HPCC'' (High Performance Computing and Communication) community consists of those scientists trying to solve the largest, hardest applications in their fields. They desire high speed, access to algorithmic details for performance tuning, and reliability for their problem.

• Engineers and scientists generally desire easy-to-use, reliable software, that is also reasonably efficient.

• Students and teachers want simple but generally effective algorithms, which are easy to explain and understand.