The software for the Cary Eclipse Fluorescence Spectrophotometer is available as an Analysis or Bio package. The Analysis software package works for chemical, polymers, and materials applications. It provides fundamental functionality such as system information, alignment, scanning, concentrations, and simple reads as well as more extensive analysis such as kinetics, validate, and advanced reads. It also includesgood laboratory practice (GLP) administration and the advanced development language (ADL) for customizing and automating measurements. The Bio package for life science applications contains all the applications in the Analysis package plus software modules for Lifetimes, Ratio, and Thermal applications of biomaterials, proteins, and DNA.