
Books by Mark Ryan
Geometry for Dummies 
Geometry for Dummies
Learning geometry doesn’t have to hurt. With a little bit of friendly guidance, it can even be fun! Geometry For Dummies, 2nd Edition, helps you make friends with lines, angles, theorems and postulates. It eases you into all the principles and formulas you need to analyze two and threedimensional shapes, and it gives you the skills and strategies you need to write geometry proofs.
Before you know it, you’ll be devouring proofs with relish. You’ll find out how a proof’s chain of logic works and discover some basic secrets for getting past rough spots. Soon, you’ll be proving triangles congruent, calculating circumferences, using formulas, and serving up pi. The nonproof parts of the book contain helpful formulas and tips that you can use anytime you need to shape up your knowledge of shapes. You’ll even get a feel for why geometry continues to draw people to careers in art, engineering, carpentry, robotics, physics, and computer animation, among others.
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Calculus for Dummies 
Calculus for Dummies
The mere thought of having to take a required calculus course is enough to make legions of students break out in a cold sweat. Others who have no intention of ever studying the subject have this notion that calculus is impossibly difficult unless you happen to be a direct descendant of Einstein.
Well, the good news is that you can master calculus. It's not nearly as tough as its mystique would lead you to think. Much of calculus is really just very advanced algebra, geometry, and trig. It builds upon and is a logical extension of those subjects. If you can do algebra, geometry, and trig, you can do calculus.
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Everyday Math for Everyday Life: A Handbook for When It Just Doesn't Add up 
Everyday Math for Everyday Life:
A Handbook for When It Just Doesn't Add Up
Your dinner bill came to $78.35, plus tip, divided amongst you and two friends. So how did you end up paying $50? In life, there are plenty of instances where a quick calculation would come in handy. Contrary to popular belief, the ability to calculate a tip, eyeball square area, or convert kilometers to mileswithout using your fingers or moving your lipsis not inborn. Everyday math skills can be painlessly learned and easily mastered, transforming you from a person who doesn't know the meaning of APR into someone who understands credit card rates and their longterm impact on your wallet. Broken into sections which review basic arithmetic from fractions to percents, provide situational problems from cooking to gambling, and demystify terms from statistics to relative magnitude to probability, this is the one guide that anyone who took "Math for English majors" can't live without.
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Calculus Workbook for Dummies 
Calculus Workbook for Dummies
From differentiation to integration  solve problems with ease
Got a grasp on the terms and concepts you need to know, but get lost halfway through a problem or, worse yet, not know where to begin? Have no fear! This handson guide focuses on helping you solve the many types of calculus problems you encounter in a focused, stepbystep manner. With just enough refresher explanations before each set of problems, you'll sharpen your skills and improve your performance. You'll see how to work with limits, continuity, curvesketching, natural logarithms, derivatives, integrals, infinite series, and more!
100s of Problems!
* Stepbystep answer sets clearly identify where you went wrong (or right) with a problem
* The inside scoop on calculus shortcuts and strategies
* Know where to begin and how to solve the most common problems
* Use calculus in practical applications with confidence
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