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| How to Calculate Quickly: Full Course in Speed Arithmetic
Paperback
Author: Henry Sticker
Publisher: Dover Publications
Release Date: 1955-06-01
ISBN-10: 048620295X
ISBN-13: 9780486202952
List Price: $5.95
Average Customer Rating:
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Summaries and Customer Reviews are supplied by Amazon.com
Many useful procedures explained and taught: two-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful short cuts. More than 8,000 problems, with solutions. 1945 ed.
For those that have the need.
| Customer Rating: | If you have a need to add, subtract, etc. many numbers quickly without the aid of electronic devices: this book will help you. It also might be of interest to mathematics teachers. Otherwise, don't bother: your $4 calculator from the grocery store will do just fine.
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it sucks!!!! sorry!!! buy BILL HANDLEY'S FULL COURSE IN SPEED MATHEMATICS
| Customer Rating: | | I personally find the review very apalling,the good fact of this book is there are lots of drills.I recommend BILL HANDLEY'S full course in speed mathematics for a very simplified straightfowrad approach.THIS book doesn't really teach you a art of calculation,but continuos drills of different calculations.Horrible book don't buy it only if you like to practice continuous drills.garbage!!!! |
Rote, rote, rote
| Customer Rating: | Being fairly proficient in "mental math", I picked up this book to see if there were any useful techniques for calculating. I was very disappointed.
The author's approach seems to rely primarily on rote memorization and optimizing pencil & paper methods. This is fine if you have pencil & paper handy, but cumbersome if you want to "run a rapid mental check..." as they suggest in their book. Rather than provide new techniques that work for mental computation, the reader is asked to perform endless drills to allow you to mentally perform pen & paper methods.
Another problem is the reliance on memorizing special cases instead of focusing on general-use techniques. If it takes a person 10 seconds to determine which of the dozens of special cases applies to a particular problem, then he does not know "how to calculate quickly"
For example, one of the author's special cases, "Multiplying a Sum by a Difference," actually has a very broad use for multiplying any two integers, but it is presented only briefly as a very narrow application that you will likely never stumble across in real life (e.g. multiplying two integers whose units add to 10 and the tens have a difference of 1)
Overall, the heavy reliance on rote vs. technique makes this an unsatisfying work. |
EXCELLENT BOOK TO IMPROVE MENTAL CALCULATION
| Customer Rating: | | I gave it a five star simply because the books is simple and very effective at getting you to learn the "art" of quick calculation. I looked at all the others in that field. Most of them teach you tricks for quick calculation. To do certain calculation you need to remember the tricks. There are dozen of them and you just get confused. This book do not used trick but teach you "number sense" ... and how to calculate from left to right with complex number. Beleive me, I was affraid of that kind of calculation and with that book I learned a lot! I used it because I am preparing for interviews in management consulting. Case study need you to do lots of quick mental calculation. I am very good with complex calculation but mental arithmetics is something else. BUY THIS BOOK ... very slim, but as said before, lots lots of exercise well made and improving in difficulty ... cant say more, its the book I was looking for. Amusing, it was first published in 1945 ... |
I have kept my copy for years
| Customer Rating: | | and keep going back to it. It is important that a prospective buyer knows this book focuses on MENTAL arithmetic, i.e., no paper. If that is an interest of yours, then this is your book. If you are interested in "shortcuts", there are other books out there (though the last chapter of this book contains some of the more popular ones.) Don't think you can multiply two two-digit numbers in your head? you may be surprised. |
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