Technical Math For Dummies (For Dummies (Math & Science))

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Actions Shares. Embeds 0 No embeds. No notes for slide. Technical math for dummies 1. Get Smart at Dummies. Get More and Do More at Dummies. Hoboken, NJ www.

All other trademarks are the property of their respective owners. Wiley Publishing, Inc. For general information on our other products and services, please contact our Customer Care Department within the U. For technical support, please visit www. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. He has been a carpenter for the movies, a stage electrician, a movie theater manager, a shipping clerk, an insurance clerk, and a library clerk. Recently, his company worked with the California Integrated Waste Management Board to teach scientists and administrators how to write clearly.

He was a movie reviewer for the L. Herald-Dispatch and wrote a monthly political newspa- per column for The Union of Grass Valley, California, for seven years. Bradley Simkins was born and raised in Sacramento, California, and became a sixth-generation journeyman plasterer. He and his family live in Sacramento, where he owns Book Lovers Bookstore, an independent bookstore.

Norm Andersen math ; Mrs. Eada Silverthorne English ; Ms. Susan A. Schwarz English ; Mr. Norman E. Allen physics ; Mr. Crossfield chemistry ; and Mr. James C. Harvey biology. They would be surprised and maybe pleased. Bradley: I dedicate my work to my in-laws, Greg and Diane Manolis, who have always extended their hand to help with no complaints, and to my oldest daughter, Ashleigh, who taught me that failing does not make you a failure. Many thanks to Patricia Hartman, who was always encouraging, and to Johna Orzalli, my haircutter, who taught me how to mix hair color.

And, finally, thanks and apologies to all the medical and dental staffs I flooded with questions. Bradley: First, I thank Barry Schoenborn for all his hard work and dedication to make this work possible and for always going the extra mile to understand when my life became too hectic. I thank my beautiful wife, Audrey, and my beautiful children, Ashleigh, Brayden, Alexander, and Natalie, who make my life worth living. Thanks to Jill Marcai and Jens Lorenz for correcting all of our math mistakes. Last, but certainly not least, many thanks to the team at Wiley Publishing for taking on such goofballs.

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Contents at a Glance Introduction Table of Contents Introduction Read the problem List the facts Figure out exactly what the problem is asking for Eliminate excess information See what information is missing Find the keywords Pay attention to units Convert information supplied into information needed Draw a diagram Find or develop a formula Consult a reference Technical Math For Dummiesxx Introduction Technical careers require technical mathematics technical math.

Most parts of technical math are simple. You may think some parts are hard, but look closer.

Follow the Formulas

Of course! About This Book This book is a reference. Our focus is on math for technical careers — it looks at problems you may deal with every day and the math skills you need to handle them. But we also include general prin- ciples when necessary. It covers all major math concepts; other math books are about individual concepts for example, algebra, geometry or trigonometry. That nonsense stops here. Technical Math For Dummies applies basic math to basic tasks in many careers. You get practical examples, and most of them are based on real-life experiences. And in what other book can you work with math and also find out how to make 90 dozen pralines or figure the distance from a fire watch tower to a wildfire?

You can also apply a lot of this math to your personal life as well as your work life. Conventions Used in This Book We designed this book to be user-friendly, maybe even user-affectionate. If it were any friendlier, it would drive itself to your house and bring coffee and doughnuts. We follow each term with a short and often informal definition. Occasionally, we give you clues about how to pronounce difficult words. This ref- erence book is designed to let you read only the parts you need. That text is there to give you overly technical or trivial info.

Because high school is where many people get bored, dazed, or frus- trated with mathematics. You may have been in class, but maybe your mind was somewhere else. Use a good search engine to find out more about any topic in this book. How This Book Is Organized Technical Math For Dummies has five parts, moving from simpler topics such as counting to more complex topics such as trigonometry.

Chapter 1 gives you an overview of broad technical math concepts. Chapter 2 dispels myths about math and provides some history about technical careers. Technical professions are very old and go back at least to making arrowheads and spear points. And with all due respect to art history and library science majors, stonemasons built the pyramids. You also learn about the tools of the trades in this chapter. The remaining chapters in this part are a complete review of basics — numbers, addition, subtraction, multiplication, division, measurement, and conversion. You see how to do these operations faster and better.


We also tackle something that everybody says fills them with fear and loathing — the notorious word or story problem. Story problems can be filled with tricks and traps, but in this chapter you see how easily you can deal with them all. The basic techniques are easy to understand, and those are the techniques you need. This part removes the mystery from formulas and shows you how to make your own custom formulas. In this part, you see how to use graphs and charts to your advantage for both problem solving and presenting information to management and clients.

The world loves lists of ten things, and in these chapters you find a large amount of information in a small space. Chapter 20 has ten principles for solving any common math problem. Its partner is Chapter 21, which contains the ten most commonly used formulas. It also has some formula variations and some estimating shortcuts. Finally, Chapter 22 shows you ten easy ways to get good at math while doing every- day tasks. Finally, we also include a glossary of terms that you may or may not see in the text but that may pop up in your work.

Text with this icon contains odd facts such as a legislature trying to regulate the value of pi , pieces of pop culture, strange bits of history, or bizarre terms. The text with this icon describes a situation where a math principle is used in real-world work. This icon alerts you to conditions that can spoil your work or result in wrong answers. For example, dividing by zero is never allowed in math. First, check the table of contents, where you see the names of the parts and the chapters.

06 - What is a Function in Math? (Learn Function Definition, Domain & Range in Algebra)

This strategy will confirm how much you already know and you may pick up a couple of interesting new words, too. Then go on. If you have a particular problem, find a chap- ter in the table of contents that deals with it and go straight to it, or simply look up that topic in the index. In this part. Part I starts with the basics. Chapter 2 identifies the myths of math and the trades that make the world as you know it possible from earliest to latest.