<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> LyX is a document preparation application that combines the advantages of LaTeX with a graphical user interface. A freeware application that runs on all standard operating systems, it can create documents in all important document formats. The book explains how LyX is installed, and also shows how to produce documents with the program.