Guesstimation 2 0

Author: Lawrence Weinstein
Publisher: Princeton University Press
ISBN: 069115080X
Format: PDF, Docs
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Guesstimation 2.0 reveals the simple and effective techniques needed to estimate virtually anything--quickly--and illustrates them using an eclectic array of problems. A stimulating follow-up to Guesstimation, this is the must-have book for anyone preparing for a job interview in technology or finance, where more and more leading businesses test applicants using estimation questions just like these. The ability to guesstimate on your feet is an essential skill to have in today's world, whether you're trying to distinguish between a billion-dollar subsidy and a trillion-dollar stimulus, a megawatt wind turbine and a gigawatt nuclear plant, or parts-per-million and parts-per-billion contaminants. Lawrence Weinstein begins with a concise tutorial on how to solve these kinds of order of magnitude problems, and then invites readers to have a go themselves. The book features dozens of problems along with helpful hints and easy-to-understand solutions. It also includes appendixes containing useful formulas and more. Guesstimation 2.0 shows how to estimate everything from how closely you can orbit a neutron star without being pulled apart by gravity, to the fuel used to transport your food from the farm to the store, to the total length of all toilet paper used in the United States. It also enables readers to answer, once and for all, the most asked environmental question of our day: paper or plastic?

Guesstimation

Author: Lawrence Weinstein
Publisher: Princeton University Press
ISBN: 9781400824441
Format: PDF, ePub, Mobi
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Guesstimation is a book that unlocks the power of approximation--it's popular mathematics rounded to the nearest power of ten! The ability to estimate is an important skill in daily life. More and more leading businesses today use estimation questions in interviews to test applicants' abilities to think on their feet. Guesstimation enables anyone with basic math and science skills to estimate virtually anything--quickly--using plausible assumptions and elementary arithmetic. Lawrence Weinstein and John Adam present an eclectic array of estimation problems that range from devilishly simple to quite sophisticated and from serious real-world concerns to downright silly ones. How long would it take a running faucet to fill the inverted dome of the Capitol? What is the total length of all the pickles consumed in the US in one year? What are the relative merits of internal-combustion and electric cars, of coal and nuclear energy? The problems are marvelously diverse, yet the skills to solve them are the same. The authors show how easy it is to derive useful ballpark estimates by breaking complex problems into simpler, more manageable ones--and how there can be many paths to the right answer. The book is written in a question-and-answer format with lots of hints along the way. It includes a handy appendix summarizing the few formulas and basic science concepts needed, and its small size and French-fold design make it conveniently portable. Illustrated with humorous pen-and-ink sketches, Guesstimation will delight popular-math enthusiasts and is ideal for the classroom.

Mathe Magie

Author: Arthur Benjamin
Publisher: Heyne Verlag
ISBN: 3641148472
Format: PDF, ePub
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Zaubern mit Zahlen – wer dieses Buch gelesen hat, muss PISA nicht mehr fürchten Wer glaubt, Mathematik sei eine trockene Angelegenheit und Kopfrechnen eine unnötige Quälerei, der irrt sich gewaltig. Denn nach der Lektüre dieses Buches ist es für jeden ein Leichtes, Rechenoperationen mit vier- und fünfstelligen Zahlen in Sekundenschnelle im Kopf auszuführen. Und was wie Zauberei wirkt, ist letztendlich nichts anderes als mathematische Logik, die jedermann beherrschen kann und die dazu noch richtig Spaß macht. • So wird Kopfrechnen kinderleicht! • Mit zahlreichen Übungen und Lösungen

Machine of Death

Author: Ryan North
Publisher: Heyne Verlag
ISBN: 3641071887
Format: PDF, ePub, Mobi
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Ihr werdet alle sterben! Stellen Sie sich vor, Sie gehen zum Arzt, machen einen Bluttest und eine Maschine spuckt daraufhin einen kleinen Zettel mit der Art Ihres Todes aus. Keine Einzelheiten, kein Zeitpunkt – die einzige Information, die man erhält, ist: Tod durch Ertrinken oder Verhungern oder Alter. Gleich dem Orakel von Delphi verhängt die Machine of Death ihr Urteil über die Menschen, und die Autoren dieser einzigartigen Storysammlung schildern auf ironische, humorvolle und berührende Weise, was passiert, wenn man versucht, seinem Schicksal aus dem Weg zu gehen ...

Mathematics for Sustainability

Author: John Roe
Publisher: Springer
ISBN: 3319766600
Format: PDF, ePub
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Designed for the 21st century classroom, this textbook poses, refines, and analyzes questions of sustainability in a quantitative environment. Building mathematical knowledge in the context of issues relevant to every global citizen today, this text takes an approach that empowers students of all disciplines to understand and reason with quantitative information. Whatever conclusions may be reached on a given topic, this book will prepare the reader to think critically about their own and other people’s arguments and to support them with careful, mathematical reasoning. Topics are grouped in themes of measurement, flow, connectivity, change, risk, and decision-making. Mathematical thinking is at the fore throughout, as students learn to model sustainability on local, regional, and global scales. Exercises emphasize concepts, while projects build and challenge communication skills. With no prerequisites beyond high school algebra, instructors will find this book a rich resource for engaging all majors in the mathematics classroom. From the Foreword No longer will you be just a spectator when people give you quantitative information—you will become an active participant who can engage and contribute new insights to any discussion.[...] There are many math books that will feed you knowledge, but it is rare to see a book like this one that will help you cultivate wisdom.[...] As the authors illustrate, mathematics that pays attention to human considerations can help you look at the world with a new lens, help you frame important questions, and help you make wise decisions. Francis Edward Su, Harvey Mudd College

F nf Minuten Mathematik

Author: Ehrhard Behrends
Publisher: Springer-Verlag
ISBN: 3658009985
Format: PDF, Mobi
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Das Buch enthält einen Querschnitt durch die moderne und alltägliche Mathematik. Die 100 Beiträge sind aus der Kolumne "Fünf Minuten Mathematik" hervorgegangen, in der verschiedene mathematische Gebiete in einer für Laien verständlichen Sprache behandelt wurden. Der Leser findet hier den mathematischen Hintergrund und viele attraktive Fotos zur Veranschaulichung der Mathematik. Für die Neuauflage wurde der Text aktualisiert und ergänzt; anhand von QR-Codes können zu verschiedenen Themen kurze Filme bei Youtube abgerufen werden.

Wirtschaft f r Dummies

Author: Sean Masaki Flynn
Publisher: John Wiley & Sons
ISBN: 3527802630
Format: PDF, ePub, Mobi
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Angebot und Nachfrage, Rezession und Inflation sind Begriffe, die täglich und nicht nur im Wirtschaftsteil der Tageszeitung auftauchen. Aber was verbirgt sich hinter diesen Begriffen? Und was versteht man unter Makro- und Mikroökonomie? Welche Faktoren führen zu einer Inflation, warum gibt es Rezessionen und, last but not least, warum lieben Ökonomen freie Märkte und Konkurrenz? Sean Masaki Flynn gibt die Antworten zu diesen Fragen und bringt Ihnen damit die Grundzüge der Wirtschaft näher.