myQuorum - myQuorum, a program for modeling and simulating chemical reactions, designed to help chemical process engineers and students work on chemical process modeling, simulation and optimization projects within a user-friendly environment.
PTC Mathcad - PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.
Surfer - Surf News, Fantasy Surfer, Photos, Video and Forecasting.
SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.
IHS Kingdom - Geology and Seismic
Swift Calcs - The Collaborative Computational Notebook Built for Modern Engineering.