Информатика:учебник

Do you own a TI-89, TI-89 Titanium, TI-92 Plus, or a Voyage 200 graphing calculator? If you do, or if you need to get one for school or your job, then you need to know how it works and how to make the most of its functions. TI-89 For Dummies is the plain-English nuts-and-bolts guide that gets you up and running on all the things your TI-89 can do, quickly and easily. This hands-on reference guides you step by step through various tasks and even shows you how to add applications to your calculator. Soon you’ll have the tools you need to: Solve equations and systems of equations Factor polynomials Evaluate derivatives and integrals Graph functions, parametric equations, polar equations, and sequences Create Stat Plots and analyze statistical data Multiply matrices Solve differential equations and systems of differential equations Transfer files between two or more calculators Save calculator files on your computer Packed with exciting and valuable applications that you can download from the Internet and install through your computer, as well as common errors and messages with explanations and solutions, TI-89 For Dummies is the one-stop reference for all your graphing calculator questions!

AutoCAD is the leading software tool for creating technical and architectural drawings, but it definitely doesn't lead in the «easy to master» category. That's why there's AutoCAD and AutoCAD LT All-in-One Desk Reference For Dummies—the perfect way to break a complex topic into bite-size, easy-to-understand pieces. Once you get the hang of using AutoCAD and its slightly less feature-rich cousin, AutoCAD LT, you discover that it offers wonderful advantages. AutoCAD allows you to Create precision to 14 significant digits Re-use portions of your drawings by copying and pasting Draw things full size and print your drawings in any scale Produce drawings that are easier to read when reduced Electronically share and distribute drawings Design in 2D or 3D So obviously, the trick is to speed up that «getting the hang of it» process. That's where AutoCAD and AutoCAD LT All-in-One Desk Reference For Dummies comes in especially handy. Ten easy-to-follow minibooks cover every aspect of AutoCAD, including the latest features of AutoCAD 2007, so you can find just what you need to know quickly and easily. You'll get the scoop on AutoCAD basics, such as setting up drawings, finding your way around the interface, and using all the tools Drawing and modifying objects in 2D and annotating your drawings 3D modeling and viewing, working with solids and surfaces, and rendering Understanding how AutoCAD LT differs from AutoCAD and deciding which program you need Advanced drafting skills, including organizing drawings, working with blocks, and using AutoCAD utilities Setting up your drawings for plotting to paper and publishing Sharing your drawings online for collaboration Customizing and programming AutoCAD to make it work the way you want it to In the familiar, friendly For Dummies fashion, AutoCAD and AutoCAD LT All-in-One Desk Reference For Dummies gives you plain-English explanations and step-by-step directions. Written by a pair of AutoDesk Authorized Authors, this handy guide will help make your relationship with AutoCAD a happy and productive one.

"I've been using AutoCAD for 22 years and have written a hundred books on the subject. I reviewed many CAD books back in the days when book reviews were common in CAD publications; some were innovative, others were just sad. But for nearly a decade, it's been mostly silence on the book review front. Then earlier in the summer, a book arrived in the mail from Sybex: AutoCAD Secrets Every User Should Know by Dan Abbott. Reading it, I got excited: here's a book for every AutoCAD user, even old-timers like me." – Ralph Grabowski, Editor, upFront.eZine.com: The Business of CAD Learn the «why» behind the «how» in this one-of-a-kind reference packed with tips and techniques from award-winning AutoCAD expert Dan Abbott. This info-packed guide reveals some of the best kept AutoCAD secrets on technical standards, AutoLISP programming, DOS functions, scripts, 3D, and everything in between. Based on his popular «Things Every AutoCAD User Should Know» session at Autodesk University and other industry events, Dan gives you the answers to frequently asked AutoCAD questions in his direct and entertaining style while using real-world case studies to put your skills into practice. Read it cover to cover or dive right in to the sections you need most, then get ready to improve your productivity, save more time, and become an AutoCAD all-star.

Essential review for the PHR/SPHR exams, aligned with the updated HRBoK™ PHR/SPHR Professional in Human Resources Certification Review Guide is the ideal companion to the PHR/SPHR Study Guide, Fifth Edition, and PHR/SPHR Deluxe Study Guide, Second Edition. These self-study guides are intended for HR professionals seeking to validate their skills and knowledge acquired through years of practical experience, or for relative newcomers to the HR field looking to strengthen their resume. Organized by those areas of knowledge and practices specific and necessary to human resource management (HRM), this handy review guide covers tasks, processes, and strategies as detailed in the updated A Guide to the Human Resource Body of Knowledge™ (HRBoK™), giving you clear guidance on what you need to know for the exams. You also get a year of FREE access to the Sybex online interactive learning environment and study tools, which feature flashcards, chapter tests, two bonus practice exams, and more. The review guide aligns with the HRCI test specifications, which detail the responsibilities and knowledge needed by today's HR professionals. Covers key functional areas in greater depth: HR students and professionals studying for the PHR/SPHR certification need a trusted resource to aid in their preparation—this review guide does that and more.

1,000 challenging practice questions to prepare for the PHR and SPHR exams! PHR/SPHR Professional in Human Resources Certification Practice Tests is the ideal complement to the PHR/SPHR Study Guide, Fifth Edition, PHR/SPHR Deluxe Study Guide, Second Edition, and Review Guide. These self-study guides are intended for HR professionals seeking to validate their skills and knowledge acquired through years of practical experience, or for relative newcomers to the HR field looking to strengthen their resume. These Practice Tests were developed to help certification candidates prepare for these challenging exams, especially for those needing more practice to review or refresh their knowledge right before exam day. The book aligns with A Guide to the Human Resource Body of Knowledge™ (HRBoK™), which details the responsibilities of and knowledge needed by today's HR professionals. Practice Tests reflect the critical HR topics that you need to understand as you prepare for the PHR and SPHRexams. • Business Management and Strategy • Workforce Planning and Employment • Human Resource Development • Risk Management and more Plus, you’ll get a year of FREE access to the interactive online learning environment and test bank, which includes full-length tests and practice exams—1,000 practice questions total!