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An Investigation into Multiplication. II. Long Multiplication of Money
Published online by Cambridge University Press: 03 November 2016
Extract
Here again we are confronted with a variety of methods. For purposes of work in the early stages at least two of these are worthy of consideration. They are the factorial or Ten-ten and the whole-sale methods. This latter is sometimes called the “ Ballard Box Method “ although it was known and used (but not extensively) long before Dr. Ballard's work on this subject.
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- Copyright © Mathematical Association 1940
References
* In the following pages this will be referred to as the Normal Method, and the second example above as the Suggested Method.