Diffpack is a programming environment for developing simulation software for scientific and engineering applications. Diffpack has its main focus on the...

pioneered and developed Diffpack, a general C++ software library for the finite element solution of partial differential equations. Diffpack was one of the first...

Tveito co-founded Numerical Objects, a company that commercialized the Diffpack software, and served on its board until 2001. Tveito joined the Simula...