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Download Free Usability Engineering eBook PDF ePub Audiobook --- DOWNLOAD LINK --- Amazon.com Review An authoritative text by one of the premier researchers in usability engineering in the 1990s, Jakob Nielsen's Usability Engineering provides a landmark guide to software design that has helped bring this area of research into the mainstream of computing. 'Usability' is the measurement of how easy or difficult it is to be productive with a piece of software. It often looks at the user interface--what elements appear onscreen and how efficient, confusing, and/or intuitive they are for beginning, intermediate, and advanced users. 'Usability engineering' is the formal study of usability. It grew out of research on human factors, which looked at the way people interact with their environment. The best thing about this book is its concise, cut-to-the-chase approach when defining usability and ways to measure and improve it. As the author notes, i...

Download Free Principles of Refrigeration (5th Edition) eBook PDF ePub Audiobook --- DOWNLOAD LINK --- From the Publisher A comprehensive applications-oriented treatment of the mechanical refrigeration cycle and associated equipment. --This text refers to an out of print or unavailable edition of this title. Read more From the Back Cover Principles of Refrigeration provides comprehensive coverage of refrigeration theory, components, and systems analysis and design. For both students and professionals, this book presents the science behind the operation of refrigeration systems as a method for building solid analytical skills, which will set the student/technician apart when it comes to understanding and troubleshooting system malfunctions, inefficiencies, and service requirements. Key features of this edition: The use of a dual system of units: the customary American system as we...