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POPULAE MATHEMATICS.

POPULAR MATHEMATICS,

THE FIRST ELEMENTS OF

ARITHMETIC, ALGEBRA, AND GEOMETRY,

IN THEIR RELATIONS AND USES.

ROBERT MUDIE,

AUTHOR OF "THE BRITISH NATURALIST," "THE NATURAL HISTORY OF mans,'
"POPULAR A3THONOMY," &C.

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LONDON:

BRADBURY AND EVANS, PRINTERS,

WHlTEFRIARS.

PREFACE.

Though the subjects treated of in this volume, have, individually, and more especially in the relations which subsist between them, engaged my attention more frequently, more deeply, and I may add more delightfully, than any other subjects of a scientific nature, which I have made the object of thought; and though very many years have elapsed since I first felt the want and the desire of possessing some such book —and even since I came to the resolution of attempting its production, and had in some sort sketched its plan—yet, I fear, and indeed feel, that the execution of it stands more in need of a preface, or explanation, or apology, than any work which I have hitherto attempted.

I am aware that it is not a book for even the moderately learned in systematic mathematics, far less for those whose talents and acquirements do honour to the science and extend its boundaries. I am somewhat apprehensive, too,

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