Rapid Calculations
Author | : A. H. Russell |
Publisher | : |
Total Pages | : 234 |
Release | : 1925 |
Genre | : Arithmetic |
ISBN | : |
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Author | : A. H. Russell |
Publisher | : |
Total Pages | : 234 |
Release | : 1925 |
Genre | : Arithmetic |
ISBN | : |
Author | : Trevor Davis Lipscombe |
Publisher | : Oxford University Press |
Total Pages | : 192 |
Release | : 2021 |
Genre | : Mathematics |
ISBN | : 0198852657 |
Finalist of the 2022 PROSE Awards How fast can you calculate? Would you like to be faster? This book presents the time honored tricks and tips of calculation, from a fresh perspective, to boost the speed at which you can add -- whether a couple of numbers, or columns so long an accountant may faint. Find out how to subtract, multiply, divide, and find square roots more quickly. What's more, this book gives suggestions for how to find answers that are good enough for tricky tasks like dividing by 17. It includes brand new ways to multiply and divide irrational numbers such as pi, e, the square root of 2, and the golden ratio. It has sections devoted to ancient mathematics, and the techniques we can borrow from previous and other cultures, in order to calculate more quickly. Examples, some serious, some fun, come from everyday life or from history -- like hot dog eating competitions, the Vatican's cricket team, the molecular weight of the molecule with the world's longest name, and the amount of people taken by Henry VIII to arguably history's biggest party, the Field of the Cloth of Gold. In an age of timed multiple-choice questions, the swifter you can sum, or rule out wrong answers, the better you will do. If you love to play with numbers, this book will be recreational reading. And if you ever wonder whether simple arithmetic problems can crop up in everyday life, this book provides a fresh perspective.
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1943 |
Genre | : |
ISBN | : |
Author | : A. Fredrick Collins |
Publisher | : Citadel Press |
Total Pages | : 132 |
Release | : 2006-06 |
Genre | : Mathematics |
ISBN | : 9780806527796 |
Demonstrates shortcuts in addition, subtraction, multiplication, and division, tells how to extract square and cube roots, and discusses mathematical tricks.
Author | : Arthur Hallett Russell |
Publisher | : |
Total Pages | : |
Release | : 1933 |
Genre | : |
ISBN | : |
Author | : Arthur Benjamin |
Publisher | : Crown |
Total Pages | : 306 |
Release | : 2008-06-03 |
Genre | : Mathematics |
ISBN | : 030734746X |
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.
Author | : Edward H. Julius |
Publisher | : John Wiley & Sons |
Total Pages | : 247 |
Release | : 1992-11-11 |
Genre | : Education |
ISBN | : 0471575631 |
Demonstrates a slew of time-saving tips and tricks for performing common math calculations. Contains sample problems for each trick, leading the reader through step-by-step. Features two mid-terms and a final exam to test your progress plus hundreds of exercise problems ranging from simple to more sophisticated. Also includes sections on ``Mathematical Curiosities'' and ``Parlor Tricks'' for math lovers.
Author | : Henry Sticker |
Publisher | : Courier Corporation |
Total Pages | : 211 |
Release | : 1955-01-01 |
Genre | : Mathematics |
ISBN | : 048620295X |
A number sense approach to the four basic operations of arithmetic together with fractions and decimals
Author | : |
Publisher | : |
Total Pages | : 486 |
Release | : 1918 |
Genre | : Analytical chemistry |
ISBN | : |
Vols. for 1877- include Proceedings of the Society for Analytical Chemistry.
Author | : |
Publisher | : |
Total Pages | : 58 |
Release | : 1983 |
Genre | : Science |
ISBN | : |