CambridgeSoft's ChemOffice Professional is currently the world's top-class desktop chemical software suite. It integrates 20+ powerful and professional chemistry related applications in one place, and provides you with an excellent, complete chemical assistant system, which enables your research work to reach a new level.

Extreme Units Converter is one five-star applet, it is mainly used to perform the conversion among the most widely used units in Physics, Math, Chemistry and some other fields, and gives the most accurate results.