Rapid Math Without a Calculator

by Archie Frederick Collins

This book enables the average person to become capable of manipulating numbers, and the mathematical shortcuts explained can all be performed without a calculator. A great buy for those who seek to improve their mathematical ability.

120 pages, Paperback

First published October 1, 1987

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.