NEw Yoak CITY, Sept. Ist, is4z.
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 To the Editor of Ae .srtansas Banner:

 DEAR SrR-Perhaps yoa have noticed in some of the New York papers, statement concerning the remarkable powers of mathematician in that city, who adds, subtracts, multipes, divides, and performs all other arithmetieal operations, with rapidity that seems almost miraculous. As I am that person, will endeavor to give you correct statement of the facts, which hope you will pub fish. First, let column of figures, say 5000 in length and 10 or 70 in breadth be placed befnre me- and in less than Eve seconds of time, wilI give the sum total. always commencing on the left hand side, to place the answer down, it matters not, what length the column is, os what breadth, will give the total. fast the figures can be writ ten down. Second, let a sum be written in multi. plication. with 1000 figures in the mulsipieS, and as many in the multiplicand, and commence on the Jeff hand side and write the product under meath, all in one line, fast as the figures can be written down. Thirdly, let sun be written in di- vision, with any large amount for divisor, and I commence writing down the remainder, first, then the quotient-interesta at any per cent. be per- formed in the sams manner. without using any ex. o@ ASuAces EtaSNkothS VI etSty 0EtVtAAhasAuxs CAu be summed dp instantly without reducing them to q common denomination. In fact all arithmetical calculations, can be performed in the same manner. These rules can be learned in one half hoar by any person having the printed instructions. Please in sert this in your paper. also stating that any person wishing these rules. will enclose $iO, through the New York Post Office. Please forward me one pa- per which will contain this. and on receipt thereof will forward you full set of these rules, (free gratis) by which you can become as expert in fig ures as am.

 am your humble and obt seryt,

 PETERM M. DESHONG,

 he Mathematician. P.S s. Editors copying the above, and forwarding Mir. Deshong the paper which contains it, will be furnished with full set of the rules.