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.

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.

Written by a team of experts and with contributions from seminal academics and leading practitioners, this text provides the concise link between theoretical learning and the key practical skills needed to increase students' grades and employability.

Part of the Transforming Social Work Practice series, this title is written specifically to support students on the social work degree. It is full of practical activities, case studies and opportunities for students to critically reflect and explore theory and practice.