The following sections are available in the library: SECTION BRIEF DESCRIPTION chron Functions to handle dates and times. cluster Modern methods for cluster analysis. Defunct Some functions that are no longer supported in S-PLUS. demo Demo of S-PLUS. Do not attach directly. See help("demo"). examples Functions and objects from The New S Language. external Handle external (large) objects. image Display images. maps Display of maps with projections. mathematica Interface to Mathematica system. Matrix New Matrix class functions for numerical linear algebra progdraw Sdraw example from Programmer's Manual. progexam Examples from Programmer's Manual. semantics Functions from chapter 11 of The New S Language. trellis New graphics functions For more information on each library section see the README file in each library section directory or in S-PLUS run: library( help = )