Columbia Democrat and Bloomsburg general advertiser. [volume] (Bloomsburg, Pa.) 1850-1866, 1861-01-19
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PRACTICAL CALCULATOR


PRACTICAL CALCULATOR,
Book OF PLAis RULES AND CALCULATIONS BUSINESS
OPERATIONS HY MARTIN NJ. RonRRR, PRACTICAL sur.
NEYOR Convey ANGER. NEw EDITION. PUBLISHED
BY J. B. LirrsColT & Co.. PHILADELPHIA.
This work contains 20i pages, and upwards of 500
such arise day in the pur .uts Of Busi.
1t has already passed through number of Id.
tons in rapid succession and s pronounced by all eIa
of business to be the Boox oF
pertaining TO calculations that has been bIisbo
Every Example in the book s WORRIED OUT m FULL and
stated in plain manner, that when parallel case
arises those referring to the work will find difficulty
in readily solving it; IN word Tho general arrange.
mrnt of the CALCULATOR is so simple, that any one
who knows how to add subtract multiply or divide can
easily solve any ordinary example that arises in busi
ness or arrive at the true result ufany estimate required
The chief aim Of the author has been schcw theory
plicty believing that business care little about
spending time in discussing thn philosophy Of les or
the science tof figures dcemng it sufficient for their
purpose to be able aoIENT b. reference TO arrive
at the true result. The CALCULATOR differs in this
respect from all Arithmctics Of the day and kindred
vorks-it is key to practical business calculations 1t
is, in tue hands ofthc teacher in the hooi it f
cilitates time and nsrres corrertne s.
THE WORK TREATS OF THE
Measurement of Land, of Iumb II, of Brick and Brick
Work of stone and stone Work, of Grain aud Grain
Bins, of Coal and Coal Fins, Of Wood of Solids Of Lii
guilds OF Circular square. or Irregular Vessels, Of Cis
terns and Vats. of Roofing of Pastcrers,' Painters
Gazicrs, PAYERS, Plumbers Paper Hangers and Up
no sters Work threats of Currency and of Foreign
and Domestic Exchange, ofthe Decimal System Of Re
ducon and its extended application to business Of
cation to business tran actions with the laws and usa
ges governing and regulating the same together with
numerous Commercial Forms, Of Legal Tender of Pa
al Payments on Notes, of Banking and Bank Discount
Of Equation ofpayments and of Partnershp Accounts of
Assessment of Taxes, Of Weight. and Measures Of
Square and Cubic Measure, ef the Square root and its
Application to BUSINESS Of Surfaces, of Excavation
aud Of many other important practical matters with.
in the scope Of an advertisement TO MENTION
IT IS JUST THE BOOK FOR THE
Farmr the Mcrrhrnt the Nee Aanic the Artizan or the
Proes ional man. Ithns proven valuable auxiliary
to the Lawyer the Justice of the Peace the
and Real Estate HrOker tn the Assrs the nnrr
Clerk To the Civil Engineer and the Surveyor. to the
Carpenter and brickayor TO the Stone aud the
Pasterer to the Paper Hanger and Jpho sterer to the
PAYER and the Tiier, &c. &c each and all will find it
adapted TO their various wants better than any book
pub shed.
W Naicd (post paid) to any part of the United
States upon receipt Of the money Price of a single
Copy in Cloth 60 Gents, or two Copies for 81 90
Bound in Po"krt-book form, Morocco 81 90 per copy
Address, NJ. NJ. ROIRER,
Box 1911 Philadelphia r. o. Pa
Dns l. 1890 en-