## Book Description

Technical Math For Dummies is your one-stop, hands-on guide to acing the math courses you'll encounter as you work toward getting your degree, certifacation, or license in the skilled trades.

You'll get easy-to-follow, plain-English guidance on mathematical formulas and methods that professionals use every day in the automotive, health, construction, licensed trades, maintenance, and other trades. You'll learn how to apply concepts of algebra, geometry, and trigonometry and their formulas related to occupational areas of study. Plus, you'll find out how to perform basic arithmetic operations and solve word problems as they're applied to specific trades.

• Maps to a course commonly required by vocational schools, community and technical college, or for certification in the skilled trades

• Covers the basic concepts of arithmetic, algebra, geometry, and trigonometry

• Helps professionals keep pace with job demands

Whether you're a student currently enrolled in a program or a professional who is already in the work force, Technical Math For Dummies gives you everything you need to improve your math skills and get ahead of the pack.

3. Authors' Acknowledgments
4. Publisher's Acknowledgments
5. Introduction
2. Conventions Used in This Book
3. What You're Not to Read
4. Foolish Assumptions
5. How This Book Is Organized
6. Icons Used in This Book
7. Where to Go from Here
6. 1. Basic Math, Basic Tools
1. 1. Math that Works as Hard as You Do
2. 2. Discovering Technical Math and the Tools of the Trades
1. 2.1. Busting Myths about Math
2. 2.2. Remember: Somebody Else Already Did the Hard Work
3. 2.3. The Trades, They Are A-Changing
1. 2.4.1. Pocket (or phone, or computer) calculators
2. 2.4.2. Specialty calculators
3. 2.4.3. Thermometers and sphygmomanometers
4. 2.4.4. Micrometers, calipers, and gauges
5. 2.4.5. Automotive tools
6. 2.4.6. Carpentry tools
7. 2.4.7. Bricklaying tools
3. 3. Zero to One and Beyond
1. 3.1. Looking at the Numbers that Count: Natural Numbers
2. 3.2. Going Backward: Negative Numbers
3. 3.3. Getting Between the Integers: Fractions, Decimals, and More
4. 3.4. Taking a Look at the Lesser-Known Numbers
5. 3.5. Handling Numerical Story Problems
4. 4. Easy Come, Easy Go: Addition and Subtraction
1. 4.1. Making Everything Add Up
2. 4.2. Subtraction: Just Another Kind of Addition
3. 4.3. Example: Flour Power
4. 4.4. Example: Sheep on Trucking
5. 5. Multiplication and Division: Everybody Needs Them
1. 5.1. Go Forth and Multiply!
2. 5.2. Doing Simple Multiplication Like Your Grandfather Did It
3. 5.3. Easy Street: Multiplying by 0, 1, and 10
4. 5.4. Divide and Conquer
1. 5.4.1. Dealing with division definitions
2. 5.4.2. Dividing by using the inverse
3. 5.4.3. Doing short division
4. 5.4.4. Going long (division)
6. 5.4.6. Shortcuts: Dividing into 0 and by 0, 1, 10, and the dividend
5. 5.5. Example: In the Machine Shop
6. 6. Measurement and Conversion
1. 6.1. Main (And Not So Main) Systems of Measurement
2. 6.2. Converting Length, Weight, and Volume
1. 6.2.1. The rules of conversion
2. 6.2.2. American units to American units
3. 6.2.3. American to metric and back again
4. 6.2.4. Converting metric to metric
3. 6.3. Example: Don't Get Bored by Board Feet
4. 6.4. Example: Getting the Dosage Right
7. 7. Slaying the Story Problem Dragon
1. 7.1. Removing the Mystery from Story Problems
1. 7.1.1. How to approach a story problem: A real-life example
2. 7.1.2. The secret formula inside every story problem
2. 7.2. The Step-by-Step Story Problem Solution
3. 7.3. Example: Furring Strips
4. 7.4. Example: And Now, from the Banks of the Nile
7. 2. Making Non-Basic Math Simple and Easy
1. 8. Fun with Fractions
1. 8.1. Meeting the Numerator and Denominator: Best Friends Forever
2. 8.2. Tackling the Different Types of Fractions
1. 8.2.1. Proper and improper fractions
2. 8.2.2. Mixed numbers
3. 8.2.3. Ratios
3. 8.3. Performing Math Operations with Fractions
1. 8.3.1. Multiplying fractions
2. 8.3.2. Dividing fractions
4. 8.3.4. Subtracting fractions
4. 8.4. Example: Dividing and Selling a Cheesecake
5. 8.5. Example: Cutting Fire Stops for Framing Carpentry
2. 9. Decimals: They Have Their Place
1. 9.1. Diving into Decimal Basics
1. 9.1.1. Pointing out decimal points and places
2. 9.1.2. Precision, pennies, and parsing
2. 9.2. The Four Ops: Working with Decimals in Four Math Operations
3. 9.3. Decimal Conversion
4. 9.4. Round, Round, Get Around, I Get Around
5. 9.5. Making Change and Charging Sales Tax
6. 9.6. Example: A Journey to Office Supply Heaven
3. 10. Playing with Percentages
1. 10.1. Pinpointing Percentages: Half a Glass Is Still 50 Percent Full
2. 10.2. Percentages Are Good Converts
3. 10.3. Calculating Percentage Increases and Decreases
4. 10.4. Dividing a Pie Using Percentages
5. 10.5. Example: The World of Pralines
6. 10.6. Example: Oily to Bed and Oily to Rise
4. 11. Tackling Exponents and Square Roots
1. 11.1. Exponentiation: The Power of Powers
1. 11.1.1. The basics of the base
2. 11.1.2. Moving beyond 2 or 3
3. 11.1.3. Different faces of special bases
4. 11.1.4. Exponentiation math
2. 11.2. Getting Back to Your (Square) Roots
3. 11.3. Example: Finding the Bytes On a Disk
8. 3. Basic Algebra, Geometry, and Trigonometry
1. 12. Algebra and the Mystery of X
1. 12.1. Variables: Letters Represent Numbers, but the Math Is the Same
2. 12.2. Variable Relationships: X and Her Friends
3. 12.3. Math Operations with Variables
2. 12.3.2. Subtracting variables
3. 12.3.3. Multiplying variables
4. 12.3.4. Dividing variables
4. 12.4. Example: How Many Oranges Are in that Orange Juice?
1. 12.4.1.
5. 12.5. Example: Medications In the Pillbox
2. 13. Formulas (Secret and Otherwise)
1. 13.1. Following the Formula for Building a Formula
2. 13.2. Working from a Formula to a Solution
1. 13.2.1. Applying the same operation on both sides of the equal sign
2. 13.2.2. Converting units with a special multiplication rule
3. 13.3. Calculating Speed, Time, and Distance: Three Results from One Formula
4. 13.4. Example: Cement Masonry — Pouring City Sidewalks
5. 13.5. Example: Lunch Time — Buying Burgers and Fries
3. 14. Quick-and-Easy Geometry: The Compressed Version
1. 14.1. Looking at Geometry's Basic Parts
2. 14.2. Examining Simple Geometric Shapes
3. 14.3. Learn It Once and Forget It: The Pythagorean Theorem
4. 14.4. Example: Don't Fence Me In
5. 14.5. Example: The Pen Is Mightier Than the Paddock
4. 15. Calculating Areas, Perimeters, and Volumes
1. 15.1. Area: All That Space in the Middle
2. 15.2. Perimeters: Along the Edges
3. 15.3. Volume: The Third Dimension
4. 15.4. Example: Bore and Stroke for the Auto Guy
5. 15.5. Example: Yard Area, the Landscaper's Nightmare
5. 16. Trigonometry, the "Mystery Math"
1. 16.1. Handling Triangles: More Angles than a Cornfield Maze
2. 16.2. By Their Sines Shall Ye Know Them: Using Trigonometric Functions
3. 16.3. Example: Surveying a River
4. 16.4. Example: Locating a Wildfire
1. 17. Graphs Are Novel and Charts Are Off the Chart
1. 17.1. Defining Charts and Graphs and Their Advantages
2. 17.2. Paying Tables Their Proper Respect
3. 17.3. Introducing the Three Most Important Types of Charts
5. 17.5. Making Charts and Graphs
6. 17.6. Example: Tracking Weight and Height in a Pediatric Practice
7. 17.7. Example: Cost of Materials in Residential Construction
2. 18. Hold on a Second: Time Math
1. 18.1. Dividing Time into Hours, Minutes, and Seconds
2. 18.2. There's a Time for Us, Somewhere a Time for Us: Time Notation Systems
3. 18.3. Converting Time
4. 18.4. Time Math: Calculating Time
5. 18.5. Example: The Timesheet for All Trades
6. 18.6. Example: Microwave Magic
3. 19. Math for Computer Techs and Users
1. 19.1. Try a Bit of This Byte: Understanding Basic Computer Terms
2. 19.2. The Sum of the (Computer) Parts, and the Numbers Involved
3. 19.3. Example: Total Capacity of a Mass Storage System
10. 5. The Part of Tens
1. 20. Ten Tips for Solving Any Math Problem
2. 21. Ten Formulas You'll Use Most Often
3. 22. Ten Ways to Avoid Everyday Math Stress
11. Glossary

## Product Information

• Title: Technical Math For Dummies®
• Author(s): Barry Schoenborn, Bradley Simkins
• Release date: July 2010
• Publisher(s): For Dummies
• ISBN: 9780470598740