Найти книгу: "Maths on the Back of an Envelope"

‘Another terrific book by Rob Eastaway’ SIMON SINGH‘A delightfully accessible guide to how to play with numbers’ HANNAH FRYHow many cats are there in the world?What's the chance of winning the lottery twice?And just how long does it take to count to a million?Learn how to tackle tricky maths problems with nothing but the back of an envelope, a pencil and some good old-fashioned brain power.Join Rob Eastaway as he takes an entertaining look at how to figure without a calculator. Packed with amusing anecdotes, quizzes, and handy calculation tips for every situation, Maths on the Back of an Envelope is an invaluable introduction to the art of estimation, and a welcome reminder that sometimes our own brain is the best tool we have to deal with numbers.

Learn to: Master maths with more than 2,000 practice questions Add, subtract, multiply and divide with confidence Work with decimals, fractions and percentages Size up weights and measures Fun, friendly coaching and all the practice you need to tackle maths problems with confidence and ease In his popular Basic Maths For Dummies, professional maths tutor Colin Beveridge proved that he could turn anyone – even the most maths-phobic person – into a natural-born number cruncher. In this book he supplies more of his unique brand of maths-made-easy coaching, plus 2,000 practice problems to help you master what you learn. Whether you're prepping for a numeracy test or an employability exam, thinking of returning to school, or you'd just like to be one of those know-it-alls who says, 'Oh, that's easy!' about any maths problem that comes your way, this book is for you. Master basic arithmetic, fast – in no time, solving addition, subtraction, multiplication and division problems will seem as easy as tying your shoes Face down fractions – you'll never again feel shy around fractions, decimals, percentages and ratios Juggle weights and measures like a pro – whether it's a question of how much it weighs, how long (or far) it is, or how much it costs, you'll never be at a loss for an answer Make shapes your playthings – circles, squares, triangles and rectangles – you'll measure them, draw them and manipulate them with ease Open the book and find: 2,000 pencil-and-paper practice problems The keys to mastering addition, subtraction, multiplication and division The lowdown on fractions, decimals and percentages Basic geometry made easy How to handle weights, measures and money problems How to read charts, tables and graphs at a glance

Whether you are returning to school, studying for an adult numeracy test, helping your kids with homework, or seeking the confidence that a firm maths foundation provides in everyday encounters, Basic Maths For Dummies, UK Edition, provides the content you need to improve your basic maths skills. Based upon the Adult Numeracy Core Curriculum, this title covers such topics as: Getting started with the building blocks of maths and setting yourself up for success Dealing with decimals, percentages and tackling fractions without fear Sizing Up weights, measures, and shapes How to handle statistics and gauge probability Filled with real-world examples and written by a PhD-level mathematician who specialises in tutoring adults and students, Basic Maths For Dummies also provides practical advice on overcoming maths anxiety and a host of tips, tricks, and memory aids that make learning maths (almost) painless – and even fun.

Maths for Geoscientists is an accessible, student-friendly introduction to the essential mathematics required by those students taking degree courses within the Geosciences. Clearly structured throughout, this book carefully guides the student step by step through the mathematics they will encounter and will provide numerous applied examples throughout to enhance students understanding and to place each technique into context. Opening with a chapter explaining the need for studying mathematics within geosciences the book then moves on to cover algebra, equations, solutions, logarithms and exponentials, statistics and probability, trigonometry, vectors and calculus. The final chapter helps to bring it all together and provides the students with sample projects to test their knowledge. Worked applied examples are included in each chapter along with applied problem questions which are a mix of straightforward maths questions, word questions (developing maths to words), and more involved questions that involve the manipulation and interpretation of real and synthetic data.

The complete resource on performing sustainable renovations for both Historic and modern existing buildings This forward-looking and insightful guide explores how the sustainable renovation of existing buildings presents great opportunities for initiating extensive changes in the performance of the built environment. Great examples of existing building upgrades are examined, illustrating how to do sustainable renovations, along with current design approaches for radically improving the functionality of existing prewar, postwar, and late modern buildings. Sustainable Renovation saves its key focus for institutional and commercial buildings, but discusses the challenges they pose within a global scope that encompasses all building practices. Some of the discussions in this book include: The significance of energy and resource demands by the building sector and the urgency of reducing loads in existing buildings Management, design, and construction approaches to achieve major modernization in occupied buildings International case studies that focus on methods and benefits of successful sustainable transformations of existing building performance Repurposing buildings to preserve style and add performance remains a work in progress as designers and builders discover new methods for improving sustainable practices and standards. With incremental modernization and operations strategies available for immediate implementation, this book demonstrates the different ways of thinking necessary when considering and attempting the integration of sustainable concepts into existing buildings—and enables readers to rethink the world that's built around them.

Everything about Ginny will change this summer, and it’s all because of 13 little blue envelopes…Perfect summer read from Queen of Teen 2012Ginny, aged 17, is left 13 little blue envelopes by her free-spirited young Aunt Peg. Little does she know just how much they will change her life…• Inside envelope No 1 is money and instructions to buy a plane ticket.• Inside envelope No 2 are directions to a specific London flat• Inside envelope No 3 a note to Ginny says: Find a starving artist.• And because of envelope No 4 Ginny and a man called Keith go to Scotland together, with somewhat disastrous – though utterly romantic – results.