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BY THE

COLENSO'S ARITHMETIC for the use of
NATIONAL and COMMERCIAL SCHOOLS, in FIVE PARTS:-

J. Text-Book, price 6d.

II. Examples, PART I. Simple Arithmetic, price 4d.

III. Examples, PART II. Compound Arithmetic, price 4d.

IV. Examples, PART III. Fractions, Decimals, Duodecimals, &c.
price 4d.

V. ANSWERS to the Examples, with SOLUTIONS of the more

difficult QUESTIONS, price 18.

COLENSO'S ARITHMETICAL TABLES,

on a Card......

2

Colenso's Elementary Mathematical Works.

COLENSO'S

ELEMENTS of ALGEBRA
designed for the use of SCHOOLS, PART II. adapted to suit the
wants of more advanced Students; containing the higher parts of
the subject, with an APPENDIX of more difficult Miscellaneous
Examples and Equation Papers.
12mo. 68.-KEY, 58.

COLENSO'S

MISCELLANEOUS

EXAM-

PLES and EQUATION PAPERS from PARTS I. and II. of the
Algebra; with the ANSWERS..

12mo. 2s. 6d.

COLENSO'S ELEMENTS of ALGEBRA,
adapted for the use of NATIONAL and ADULT SCHOOLS; containing
numerous easy Examples and Questions under every Rule, with a
Selection of Miscellaneous Exercises for Practice.
18mo. Is. 6d. KEY, 2s. 6d.

COLENSO'S ELEMENTS of ALGEBRA,
adapted for the use of TEACHERS and STUDENTS in the UNIVER
SITY
8vo. 12s. 6d.-KEY, 12mo. 78. 6d.

....

PLANE TRIGONOMETRY, PART I. com-

prising the Measurement of Lines and Angles, the Numerical
Values of the Trigonometrical Ratios; with the Use of Logarithms
and the Exponential Theorem....
12mo. 3s. 6d.-KEY, 38. 6d.

COLENSO'S PLANE TRIGONOMETRY,
PART II. comprising the Summation of Series, the Trigonometrical
Solution of Equations, and Miscellaneous Problems.
12mo. 2s. 6d.-KEY, 5s.

The KEYS to the Two PARTS of the Trigonometry, together, 8s. 6d.

THE

HE ELEMENTS of EUCLID (as studied in
the Universities); with a large Collection of GEOMETRICAL
PROBLEMS
18mo. 48. 6d. ; or with a KEY, 6s. 6d.

COLENSO'S GEOMETRICAL PROBLEMS
and KEY ...
18mo. 3s. 6d.

COLENSO'S GEOMETRICAL PROBLEMS
separately, for the use of Schools where other Editions of Euclid
may be employed...
18mo. 18.

London: LONGMANS, GREEN, and CO. Paternoster Row.

ARITHMETIC

FOR

ELEMENTARY SCHOOLS.

THE LATE MASTER OF TRINITY.

Extract from Dr. WHEWELL'S Work on 'A LIBERAL
EDUCATION,' pp. 158, 159.

As the basis of all real progress in Mathematics, boys ought to acquire a good knowledge of Arithmetic and a habit of performing the common operations of Arithmetic, and of applying the rules in a correct and intelligent manner. This acquirement

appears to be often neglected at our most eminent classical schools. Such a neglect is much to be regretted; for the want of this acquirement is a great practical misfortune, and is often severely felt in after-life. Many persons who are supposed to have received the best education which the country affords, are, in all matters of numerical calculation, ignorant and helpless, in a manner which places them, in this respect, far below the members of the middle class, educated as they usually are. Arithmetic is a matter of habit, and can be learnt only by longcontinued practice. For some years of boyhood there ought to be a daily appropriation of time to this object.

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