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Yayın Tarihi: Mayıs 2022
Figuring 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.
Any one 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.