The Rule Of Nine: Why The Number Nine Is The Most Powerful Number There Is And How To Take Advantage Of It.

by John Harrington

This book explores in an easy flowing reading style, a fun, little known principle at the heart of our number system that at first amazes anyone that comes across it and raises profound questions and answers about what makes a number a number. From there, the author takes the reader on a guided tour of how this amazing principle can be used to ensure that the reader never again makes a simple mistake in a math problem using a simple process that's easier to do than the math we all know. This book is a must read for anyone that wants to improve the accuracy of their math or has wondered why numbers work the way they do.

• Format: Paperback
• Language: English
• ISBN: 1440498997
• ISBN13: 9781440498992
• Release Date: December 2008
• Publisher: CreateSpace Independent Publishing Platform
• Length: 90 Pages
• Weight: 0.42 lbs.
• Dimensions: 9.0" x 0.2" x 6.0"