1685	 GAN a System for Generating and Analyzing Activity Networks	 GAN a system for generating activity networks is designed to save time in the preparation of activity networks and to deal conveniently with network programs. A defining description of a programming language designed for generating activity network from a set of standard networks is presented. Also a general idea of a language for performing calculations on activity networks scheduling activity networks is given. activity network management project standard network network generator network assembler activity network analysis network calculation network program
