OF

MATHEMATICAL

TABLES.

BY

llen

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

FELLOW OF TRINITY COLLEGE,
AND RRASMUS SMITA'S PROFESSOR OF NATURAL AND EXPERIMENTAL PHILOSOPHY

IN THE UNIVERSITY OF DUBLIN ;

AND

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

FÉLLOW OF TRINITY COLLEGE,
AND PROFESSOR OF GEOLOGY IN THE UNIVERSITY OF DUBLIN.

LONGMAN, BROWN, GREEN, LONGMANS, & ROBERTS.

DUBLIN :

Printed at the University Press,

BY M. H. GILL.

Sibrary
Perella

CONTENTS.

qn49

PAGE

V

I

13

INTRODUCTION,
LOGARITHMS OF NUMBERS FROM I TO 1OOO,
LOGARITHMS OF 1001 TO 1100 TO SEVEN PLACES,
MULTIPLES OF THE NUMBERS 2 '302585 AND Oʻ434294,

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 2? + 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