Early Fraction learning is centrally of interest to studentsand researchersin mathematics education, tackling as itdoes one of that discipline's most vexing problems: why arefractions so difficult to learn and to teach?

Powerful networked workstations are adding a new dimension to the world of computing. Programmers are challenged to write applications that exploit the speed and parallelism of such distributed systems, programs that take advantage of the networking and communication features of high-speed workstations. John Corbin, a senior engineer in Sun's networking group, bases his approach on RPC (Remote Procedure Call), a technique for programming communication processes in UNIX environments. A professional reference book as well as a textbook on RPC programming techniques, The Art of Distributed...

This book is an introduction to NeWS: the Networked, Extensible, Window System from Sun Microsystems. It is oriented towards people who have a basic knowledge of programming and window systems who would like to understand more about window systems in general and NeWS in particular. A significant portion of the book is devoted to an overview and history of window systems. While there is enough detail here to allow readers to write simple NeWS applications, the NeWS Reference Manual SUN87a] should be consulted for a more complete treatment. This book was written to refer to the NeWS 1. 1...

This Guide to Sun Administration is areference manual written by Sun administrators for Sun administrators. The book is not in tended to be a complete guide to UNIX Systems Administration; instead it will concentrate on the special issues that are particular to the Sun environment. It will take you through the basic steps necessary to install and maintain a network of Sun computers. Along the way, helpful ideas will be given concerning NFS, YP, backup and restore procedures, as well as many useful installation tips that can make a system administrator's job less painful. Spe cifically, SunGS...