Short Cuts in Figures

by Archie Frederick Collins

A. Frederick Collins's classic explanations of how to quickly and easily arrive at useful estimates for business and work purposes. Useful to generations of practical people who need to perform mental math, topics covered Rapid Addition, Rapid Subtraction, Short Cuts in Multiplication, Short Cuts in Division, Short Cuts in Fractions, Extracting Square and Cube Roots, Useful Tables and Formulas, and Magic with WORD TO YOUFiguring is the key-note of all business. To know how to figure quickly and accurately is to jack-up the power of your mind, and hence your efficiency, and the purpose of this book is to tell you how to do it.Anyone who can do ordinary arithmetic can easily master the simple methods I have given to figure the right way as well as to use short cuts, and these when taken together are great savers of time and effort and, consequently, of money.Not to be able to work examples by the most approved short-cut methods known to mathematical science is a tremendous handicap and if you are carrying this kind of a dead weight get rid of it at once or you will be held back in your race for the grand prize of success.On the other hand, if you are quick and accurate at figures you wield a tool of mighty power and importance in the business world, and then by making use of short cuts you put a razor edge on that tool with the result that it will cut fast and smooth and sure, and this gives you power multiplied.Should you happen to be one of the great majority who find figuring a hard and tedious task it is simply because you were wrongly taught, or taught not at all, the fundamental principles of calculation.By following the simple instructions herein given you can correct this fault and not only learn the true methods of performing ordinary operations in arithmetic but also the proper use of scientific short cuts by means of which you can achieve both speed and certainty in your work.Here then, you have a key which will unlock the door to rapid calculation and all you have to do, whatever vocation you may be engaged in, is to enter and use it with pleasure and profit.A. FREDERICK COLLINS

Hardcover

First published July 26, 2013

About the author

Archie Frederick Collins, who generally went by A. Frederick Collins, was a prominent early American experimenter in wireless telephony and prolific author of books and articles covering a wide range of scientific and technical subjects.