IN

MATHEMATICS

BY

J. K. ELLWOOD, A.M.

PRINCIPAL OF THE COLFAX SCHOOL, PITTsburgh, Penn.

NEW YORK: CINCINNATI: CHICAGO

.

AMERICAN BOOK COMPANY

COPYRIGHT, 1892,

BY AMERICAN BOOK COMPANY,

Printed by

William Tvison

New York, U. S. A.

Gift

Prof. W. W. Boman

4-12-33

CONTENTS.

PART

I. THEOREMS, RULES, AND FORMULAS.

Table of Logarithms of Numbers from 1 to 10,000

Table of Logarithmic Sines, Cosines, Tangents, and Co-

tangents

Table of Natural Sines, Cosines, Tangents, and Cotangents

II. TEST PROBLEMS

PAGE

9

27

43

89

111