Mass Frontier 5.0 consists of the following modules: Structure Editor, Database Manager, Chromatogram Processor, Components Editor, Hit Selector, Fragments & Mechanisms, Fragments Comparator, Fragmentation Library, Isotope Pattern, Spectra Classifier, Spectra Projector, Neural Networks, Periodic Table, Formula Generator and Report Creator. Fragments & Mechanisms, Spectra Projector, Neural Networks, Fuzzy Clustering, Components Editor, and Hit Selector modules cannot be opened directly from program desktop. These modules must be generated from user supplied data.