advanced abacus theory and practice

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Advanced Abacus

Author : Takashi Kojima
ISBN : 9781462903658
Genre : Mathematics
File Size : 24. 29 MB
Format : PDF
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This handy guide will take abacus users from beginner to master level in a very short time. Though the Japanese abacus may appear mysterious or even primitive, this intriguing tool is capable of amazing speed and accuracy. it is still widely used throughout the shop and markets of Asia and its popularity shows no sign of decline. This volume is designed for the student desiring a greater understanding of the abacus and its calculative functions. The text provides thorough explanations of the advanced operations involving negative numbers, decimals, different units of measurement, and square roots. Diagrams illustrate bead manipulation, and numerous exercises provide ample practice. Concise and easy-to-follow, this book will improve your abacus skills and help you perform calculations with greater efficiency and precision.

Japanese Abacus Use Theory

Author : Takashi Kojima
ISBN : 9781462903849
Genre : History
File Size : 90. 92 MB
Format : PDF, ePub, Docs
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The Japanese Abacus & Theory book is easy to follow, and gives the reader step-by-step directions on how to use it correctly while applying it to practical use. The imperfect numerical notation and scarcity of suitable writing materials in ancient times are presumed to have given rise to need for devices of mechanical calculation. While the definite origin of the abacus is obscure, there is some reason for believing that its earliest form reckoning table covered with sand or fine dust, in which figures were drawn with a stylus, to be erased with the figure when necessary. Though the Abacus is an older tool for calculation it still is used today in Japan taking on a different name called Soroban. Though the Japanese Abacus or Soroban may appear mysterious or even primitive to those raised in the age of pocket calculators and desktop computers, this intriguing tool is capable of amazing speed and accuracy. It is still widely used throughout the shops and markets of Asia, and its popularity shows no sign of decline. Here for the first time in English is a complete explanation of how to use the abacus.

Abacus Mind Math Level 1 Workbook 2

Author : Sai Speed Math Academy
ISBN : 1941589022
Genre :
File Size : 38. 41 MB
Format : PDF, ePub, Docs
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Abacus Mind Math Level 1 - Workbook 2 (for students): Topics covered: Dictation Plus and minus 2, 3, and 4 of 5 exchange concepts Workbook 2 includes over 1575 practice problems for children to learn and master concepts introduced. Use this practice Workbook - 2 "after" completing: "Abacus Mind Math Level 1 Workbook 1: Excel at Mind Math with Soroban, a Japanese Abacus" Corresponding instruction for teachers and parents is sold separately under the title: "Abacus Mind Math Instruction Book Level 1: Step by Step Guide to Excel at Mind Math with Soroban, a Japanese Abacus" Adult Learners: Do you want to learn to work on the abacus and master mind math effectively? This book will be an excellent help for adults who are learning to use the abacus and to ultimately master mind math. The book introduces concepts one at a time, which helps in mastering abacus and increasing speed and accuracy effectively. Practicing mind math with this book will aid in your quest for mastery over mind math with effortless ease. Soroban, the Japanese abacus is a very useful visual tool that helps children 'see' numbers as beads while calculating. Soroban perfectly fits with the base 10 number system used at present and provides a systematic method (formulas) to follow while calculating both on the tool and in the mind. Mastering of this tool will enhance your child's basic math comprehension, speed and accuracy. In general, when children practice mind math, they get a very important sense of achievement that helps raise their confidence as students. You can also see an improvement in their concentration, tenacity, memory power and listening skills.

Abacus Mind Math Instruction Book Level 1

Author : Sai Speed Math Academy
ISBN : 1941589006
Genre :
File Size : 25. 85 MB
Format : PDF, ePub
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Abacus Mind Math Instruction Book Level 1 (for teachers and parents): Goal for Level - 1 Addition - without carryover problems Subtraction - without borrowing problems Topics covered: Basics of abacus How to do mind math How to do dictation 5 exchange concepts explained in detail with examples Skill building activities explained Instruction book includes: Examples for each concept with detailed pictures and steps by step instruction on how to calculate and what to tell your students while teaching. Theory behind the formulas explained in simple terms. Over 380 sample problems for teachers and parents to practice the concepts. These sample problems can be used to introduce your child to the concept with effortless ease. Instruction on how to effectively introduce children to mind math with ways to build the skill. Dictation - a very important aspect of abacus training is explained with useful ideas to achieve. Skill building activities are explained that help you train your child. Common mistakes made by students with ways to help them avoid making these mistakes are outlined. Corresponding practice work for children is given in the two workbooks that are sold separately under the following titles. " Abacus Mind Math Level 1 Workbook 1: Excel at Mind Math with Soroban, a Japanese Abacus Abacus Mind Math Level 1 Workbook 2: Excel at Mind Math with Soroban, a Japanese Abacus " Soroban, the Japanese abacus is a very useful visual tool that helps children 'see' numbers as beads while calculating. Soroban perfectly fits with the base 10 number system used at present and provides a systematic method (formulas) to follow while calculating both on the tool and in the mind. Mastering of this tool will enhance your child's basic math comprehension, speed and accuracy. In general, when children practice mind math, they get a very important sense of achievement that helps raise their confidence as students. You can also see an improvement in their concentration, tenacity, memory power and listening skills.

Mind Performance Hacks

Author : Ron Hale-Evans
ISBN : 9780596101534
Genre : Language Arts & Disciplines
File Size : 46. 13 MB
Format : PDF, Kindle
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"Tips & tools for overclocking your brain"--Cover.

Secrets Of Mental Math

Author : Arthur Benjamin
ISBN : 030734746X
Genre : Mathematics
File Size : 53. 79 MB
Format : PDF
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These simple math secrets and tricks will forever change how you look at the world of numbers. Secrets of Mental Math will have you thinking like a math genius in no time. Get ready to amaze your friends—and yourself—with incredible calculations you never thought you could master, as renowned “mathemagician” Arthur Benjamin shares his techniques for lightning-quick calculations and amazing number tricks. This book will teach you to do math in your head faster than you ever thought possible, dramatically improve your memory for numbers, and—maybe for the first time—make mathematics fun. Yes, even you can learn to do seemingly complex equations in your head; all you need to learn are a few tricks. You’ll be able to quickly multiply and divide triple digits, compute with fractions, and determine squares, cubes, and roots without blinking an eye. No matter what your age or current math ability, Secrets of Mental Math will allow you to perform fantastic feats of the mind effortlessly. This is the math they never taught you in school.

Real Options In Practice

Author : Marion A. Brach
ISBN : 9780471445562
Genre : Business & Economics
File Size : 82. 99 MB
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Explores real option theory applied in practice Real options are quickly becoming the valuation and decision-making method of choice for many companies, including oil and gas companies, utilities and natural resource companies, pharmaceutical and biotech companies, Internet companies, and many others. Real Options in Practice allows readers to view the world of real options from the vantage point of a corporate practitioner applying real option valuation techniques on a regular basis. Expert Marion Brach describes the challenges of implementing a real option framework in practice within a corporate setting. Touching on the real options most firms care about, Real Options in Practice identifies the classic types of real options-deferral, abandonment, switching, expansion, and compound-and explores the main concepts critical to understanding real option theory. Through Brach's own three-step real option valuation method readers will learn how the theory of real options is now being applied to drive better, more profitable corporate decision-making. Marion A. Brach, MD, MBA (Hagen, Germany), has undertaken financial valuation of business opportunities and acquisitions using scenario and real option valuation in the biotech industry. A recognized expert on real option theory and practice, Brach received her MBA from the Manchester Business School and frequently speaks at real option seminars.

Microbial Control Of Insect And Mite Pests

Author : Lawrence A. Lacey
ISBN : 9780128035665
Genre : Medical
File Size : 31. 53 MB
Format : PDF
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Microbial Control of Insect and Mite Pests: From Theory to Practice is an important source of information on microbial control agents and their implementation in a variety of crops and their use against medical and veterinary vector insects, in urban homes and other structures, in turf and lawns, and in rangeland and forests. This comprehensive and enduring resource on entomopathogens and microbial control additionally functions as a supplementary text to courses in insect pathology, biological control, and integrated pest management. It gives regulators and producers up-to-date information to support their efforts to facilitate and adopt this sustainable method of pest management. Authors include an international cadre of experts from academia, government research agencies, technical representatives of companies that produce microbial pesticides, agricultural extension agents with hands on microbial control experience in agriculture and forestry, and other professionals working in public health and urban entomology. Covers all pathogens, including nematodes Addresses the rapidly progressing developments in insect pathology and microbial control, particularly with regard to molecular methods Demonstrates practical use of entomopathogenic microorganisms for pest control, including tables describing which pathogens are available commercially Highlights successful practices in microbial control of individual major pests in temperate, subtropical, and tropical zones Features an international group of contributors, each of which is an expert in their fields of research related to insect pathology and microbial control

Soroban Japanese Abacus

Author : Anna K. Leon
ISBN : 1499392737
Genre : Mathematics
File Size : 37. 66 MB
Format : PDF, ePub
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This book is written in a series for those who are interested in operating a Japanese abacus. The author of this book has taught abacus to hundreds of children over a near ten year period. The theory used is a revolutionary modern but simple way and it is easy and appropriate for all ages. At the end of the book you will put in practice what you just learned. This book covers the first formula called simple/ basic. It is a step by step guide on how to add and subtract one to nine with the correct fingering

Speed Mathematics Simplified

Author : Edward Stoddard
ISBN : 9780486319889
Genre : Mathematics
File Size : 56. 80 MB
Format : PDF, ePub, Docs
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Entertaining, easy-to-follow suggestions for developing greater speed and accuracy in doing mathematical calculations. Surefire methods for multiplying without carrying, mastering fractions, working quickly with decimals, handling percentages, and much more.

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