Pennsylvania School Journal


Book Description

Includes "Official program of the...meeting of the Pennsylvania State Educational Association (some times separately paged).










An Introduction to Ray Tracing


Book Description

The creation of ever more realistic 3-D images is central to the development of computer graphics. The ray tracing technique has become one of the most popular and powerful means by which photo-realistic images can now be created. The simplicity, elegance and ease of implementation makes ray tracing an essential part of understanding and exploiting state-of-the-art computer graphics.An Introduction to Ray Tracing develops from fundamental principles to advanced applications, providing "how-to" procedures as well as a detailed understanding of the scientific foundations of ray tracing. It is also richly illustrated with four-color and black-and-white plates. This is a book which will be welcomed by all concerned with modern computer graphics, image processing, and computer-aided design. - Provides practical "how-to" information - Contains high quality color plates of images created using ray tracing techniques - Progresses from a basic understanding to the advanced science and application of ray tracing




Ray's New Intellectual Arithmetic (Classic Reprint)


Book Description

Excerpt from Ray's New Intellectual Arithmetic Few works on Intellectual Arithmetic have received more um qualified approbation, and a more extensive patronage, than this, which, for several years, was published under the title - Ray' s Arith metic, Part Second. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.







How to Read a Book


Book Description

Investigates the art of reading by examining each aspect of reading, problems encountered, and tells how to combat them.