Elementary Number Theory, 6th Edition, blends classical theory with modern applications and is notable for its outstanding exercise sets. A full range of exercises, from basic to challenging, helps students explore key concepts and push their understanding to new heights. Computational exercises and computer projects are also available.

Reflecting many years of professor feedback, this edition offers new examples, exercises, and applications, while incorporating advancements and discoveries i...

For first courses in operations research, operations management. Covers a broad range of optimization techniques, including linear programming, network flows, integer/combinational optimization, and nonlinear programming. Emphasizes the importance of modeling and problem formulation, this text teaches students how to apply algorithms to real-world problems to arrive at optimal solutions.

A fully updated edition of the best-selling Cambridge Advanced Learner's Dictionary. This paperback edition is ideal for advanced (C1-C2) learners of English and contains up-to-date vocabulary, including words from the areas of technology, media, language, society, and lifestyle, plus important words for academic study. With over 140,000 words, phrases, meanings, and examples, hundreds of pictures and illustrations, clear definitions and a new 'Focus on Writing' section, the dictionary is per...

Data Science gets thrown around in the press like it's magic. Major retailers are predicting everything from when their customers are pregnant to when they want a new pair of Chuck Taylors. It's a brave new world where seemingly meaningless data can be transformed into valuable insight to drive smart business decisions.

Winner of the prize for New Edited Book at The Royal Society of Medicine & The Society of Authors' Medical Book Awards, this textbook for medical students covers orthopaedics, trauma and rheumatology in one volume. It offers both core information regarding what the student needs to know about these specialties and an extensive series of cases with questions and answers that illustrate the thinking behind common everyday practice. The book offers a standard approach to history taking and physi...

This book is about research designs for projects that collect both qualitative and quantitative data, so that their combined strengths will accomplish more than would have been possible with any one method.

This book provides clear guidelines to enable novice practitioner researchers to move comfortably through a process of inquiry that provides effective solutions to problems in their work lives, whether the setting is in education, health, social work, or business.

With a focus on actual industrial processes, e.g. the production of light alkenes, synthesis gas, fine chemicals, polyethene, it encourages the reader to think “out of the box” and invent and develop novel unit operations and processes. Reflecting today’s emphasis on sustainability, this edition contains new coverage of biomass as an alternative to fossil fuels, and process intensification.

The second edition includes: New chapters on Process Intensification and Processes for the Conver...