opculato mathematical puzzle book

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Author : Daniel A. Mullan
ISBN : 1460943260
Genre : Games
File Size : 67. 74 MB
Format : PDF, ePub
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Opculato is the name for the enjoyable arithmetic operator calculation puzzles that improve mental arithmetic skills, mental logic skills, memory skills, mental deduction skills and develop a positive mental attitude.The puzzles have been created specifically to tap into all these life skills. Opculato puzzles involve mental arithmetic to solve which arithmetic operator +,-,/ or x that should be placed in the blank squares to solve a given equation. This fun game develops mental logic and deduction skills that require you to memorise which arithmetic operator +,-,/ or x that will not solve the given equation. You will have to try different arithmetic operator combinations to solve the longer equations and memorise where the correct arithmetic operators have been placed before you work out the final downward arithmetic equation. There will be times when you play Opculato that you will feel that you can't solve it or that it doesn't work out but keep at it and you will develop a positive mental attitude along with the satisfaction of completing the puzzle without the use of a calculator. You can also use a calculator to play at first but the game is far more enjoyable playing without a calculator and the benefits and satisfaction are far greater.The best way to improve all these skills is to practice them and Opculato offers all these skills.

Entertaining Mathematical Puzzles

Author : Martin Gardner
ISBN : 0486252116
Genre : Juvenile Nonfiction
File Size : 81. 18 MB
Format : PDF
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Playing with mathematical riddles can be an intriguing and fun-filled pastime — as popular science writer Martin Gardner proves in this entertaining collection. Puzzlists need only an elementary knowledge of math and a will to resist looking up the answer before trying to solve a problem. Written in a light and witty style, Entertaining Mathematical Puzzles is a mixture of old and new riddles, grouped into sections that cover a variety of mathematical topics: money, speed, plane and solid geometry, probability, topology, tricky puzzles, and more. The probability section, for example, points out that everything we do, everything that happens around us, obeys the laws of probability; geometry puzzles test our ability to think pictorially and often, in more than one dimension; while topology, among the "youngest and rowdiest branches of modern geometry," offers a glimpse into a strange dimension where properties remain unchanged, no matter how a figure is twisted, stretched, or compressed. Clear and concise comments at the beginning of each section explain the nature and importance of the math needed to solve each puzzle. A carefully explained solution follows each problem. In many cases, all that is needed to solve a puzzle is the ability to think logically and clearly, to be "on the alert for surprising, off-beat angles...that strange hidden factor that everyone else had overlooked." Fully illustrated, this engaging collection will appeal to parents and children, amateur mathematicians, scientists, and students alike, and may, as the author writes, make the reader "want to study the subject in earnest" and explains "some of the inviting paths that wind away from the problems into lusher areas of the mathematical jungle." 65 black-and-white illustrations.

My Best Mathematical And Logic Puzzles

Author : Martin Gardner
ISBN : 0486281523
Genre : Games
File Size : 72. 54 MB
Format : PDF, Mobi
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The noted expert and longtime author of Scientific American's Mathematical Games column selects 70 of his favorite "short" puzzles. Enthusiasts can challenge their skills with such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, Bronx vs. Brooklyn, and dozens more involving logic and basic math. Complete solutions included.

Mathematical Puzzles

Author : Peter Winkler
ISBN : 1568812019
Genre : Mathematics
File Size : 74. 34 MB
Format : PDF, Docs
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Collected over several years by Peter Winkler, of Bell Labs, dozens of elegant, intriguing challenges are presented in Mathematical Puzzles. The answers are easy to explain, but without this book, devilishly hard to find. Creative reasoning is the key to these puzzles. No involved computation or higher mathematics is necessary, but your ability to construct a mathematical proof will be severly tested--even if you are a professional mathematician. For the truly adventurous, there is even a chapter on unsolved puzzles.

The Stanford Mathematics Problem Book

Author : George Pólya
ISBN : 9780486469249
Genre : Mathematics
File Size : 20. 26 MB
Format : PDF, Kindle
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Based on Stanford University's well-known competitive exam, this excellent mathematics workbook offers students at both high school and college levels a complete set of problems, hints, and solutions. 1974 edition.

Mathematical Fun Games And Puzzles

Author : Jack Frohlichstein
ISBN : 0486207897
Genre : Juvenile Nonfiction
File Size : 63. 91 MB
Format : PDF, ePub
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Brush up on your math skills with fun games and puzzles.


Author : Jeff Guinn
ISBN : 9781451645187
Genre : True Crime
File Size : 23. 93 MB
Format : PDF, Kindle
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The New York Times bestselling, authoritative account of the life of Charles Manson, filled with surprising new information and previously unpublished photographs: “A riveting, almost Dickensian narrative…four stars” (People). More than forty years ago Charles Manson and his mostly female commune killed nine people, among them the pregnant actress Sharon Tate. It was the culmination of a criminal career that author Jeff Guinn traces back to Manson’s childhood. Guinn interviewed Manson’s sister and cousin, neither of whom had ever previously cooperated with an author. Childhood friends, cellmates, and even some members of the Manson family have provided new information about Manson’s life. Guinn has made discoveries about the night of the Tate murders, answering unresolved questions, such as why one person near the scene of the crime was spared. Manson puts the killer in the context of the turbulent late sixties, an era of race riots and street protests when authority in all its forms was under siege. Guinn shows us how Manson created and refined his message to fit the times, persuading confused young women (and a few men) that he had the solutions to their problems. At the same time he used them to pursue his long-standing musical ambitions. His frustrated ambitions, combined with his bizarre race-war obsession, would have lethal consequences. Guinn’s book is a “tour de force of a biography…Manson stands as a definitive work: important for students of criminology, human behavior, popular culture, music, psychopathology, and sociopathology…and compulsively readable” (Ann Rule, The New York Times Book Review).

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