Complete astronomy software suite exploring realistic skies in real time, with observing log, Live Orbits, Sky Quiz, spoken guidance, A-Z encyclopedia, and a concentrated search embracing planets, comets, asteroids, DSOs, and 300,000 stars...

Unit Conversion Tool is a powerful, intuitive and easy-to-use utility for accurate conversion between almost every possible units of measure, from one system to another. The latest version includes more than 2200 units in 78 conversion tables.

Modeling software to simulate the chemical kinetics and equilibrium of combustion, nuclear, catalyst reactor (CSTR) and enzyme reactions. Software can also fit/regress any entered parameters against chemical data and perform sensitivity analysis.