ERRATA.

Page 83, line 19, after 2n+1 insert the word "digits."

...

324, Ex. 26. The denominator of the first fraction should be
+Va-q instead of √ √3- aa,

332, Ex. 39.

... 350, Prob. 5.

The answer = (√2 −1) should be a =√!

(√2 −1). For all after the second paragraph substitute the following: These hours are those indicated by the clock: and since the clock gains 0.1 in 24 hours, 24×60×60′ + 0·1' of clock time=24×60×60' of real time. 24×60×60+0.1 hours of clock time; 24×60×60

.. 1 hour of real time

=

.. the watch gains upon the clock to the amount of

24×60×60+0.1 I' 24×60×60

5

per hour of real time.

0.1

Let a be the gaining rate of the watch per hour: then since

is the

24

0.0002

+4·8+

10

36

359, last line, and p. 360, lines 1, 5, 6, for whole number next less than,
read whole number equal to, or next less than,

496, line 3 from bottom, for £211. 13s. 4d. read £417. 10s., and supply the

following Answer:

Cost of type at Cambridge = £50.

.....Oxford

=

£1000.

Cambridge:

PRINTED BY C. J. CLAY, M.A.

AT THE UNIVERSITY PRESS.

THOMAS LUND, B.D.

LATE FELLOW AND SADLERIAN LECTURER OF ST JOHN'S COLLEGE,

CAMBRIDGE,

LONDON:

LONGMAN, BROWN, GREEN, LONGMANS, AND ROBERTS,

PATERNOSTER-ROW.

181. A.18.