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OF

MATHEMATICAL TABLES.

BY

llen

THE REV. JOSEPH A. GALBRAITH, M. A.,

FELLOW OF TRINITY COLLEGE,
AND ERASMUS SMITH'S PROFESSOR OF NATURAL AND EXPERIMENTAL PHILOSOPHY

IN THE UNIVERSITY OF DUBLIN ;

AND

THE REV. SAMUEL HAUGHTON, M. A., F. R. S.,

FÉLLOW OF TRINITT COLLEGE,
AND PROFESSOR OF GEOLOGY IN THE UNIVERSITY OF DUBLIN

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LONGMAN, BROWN, GREEN, LONGMANS, & ROBERTS.

DUBLIN:

Printed at the University Press,

BY M. H. GILL.

Library com Perella 5-22-24 an49

CONTENTS.

PAGE

V

I

13

INTRODUCTION,
LOGARITHMS OF NUMBERS FROM I TO 1000,
LOGARITHMS OF 1001 TO 1100 TO SEVEN PLACES,
MULTIPLES OF THE NUMBERS 2 '302585 AND O-434294,

FOR CONVERTING COMMON LOGARITHMS INTO NA

PIERIAN LOGARITHMS, AND vice versa,
A TABLE OF MANTISSÆ OF THE LOGARITHMS OF NUM-

14

BERS FROM 1000 TO 10000,

15 SOLUTION OF THE QUADRATIC EQUATION ? +px +9=0, BY TRIGONOMETRICAL TABLES,

116 LOGARITHMS OF SINES AND TANGENTS TO EVERY MINUTE OF THE QUADRANT,

117 SOLUTION OF THE CUBIC EQUATION 23 px + 9 = 0, BY TRIGONOMETRICAL TABLES, .

208 Gauss's SUM AND DIFFERENCE LOGARITHMS,

209 TABLES OF USEFUL CONSTANTS WITH THEIR LOGARITHMS, 247

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