h 25

HOSP. DK. & ̈ NEWS. SOC.

SCIENCE DEPT.

(Tenning)

OGC

Algebraift's Companion:

OR,

A NEW AND EASY

GUIDE TO ALGEBRA,

INTRODUCED BY

THE DOCTRINE OF VULGAR FRACTIONS.

DESIGNED FOR

THE USE OF SCHOOLS,

And for fuch who, by Dint of their own Application, would become
acquainted with the Rudiments of this noble Science.

ILLUSTRATED WITH

A Variety of numerical and literal Examples:

WITH AN APPENDIX

On the Rudiments of Quadratic Equations; with feveral practical Pro-
blems, extracting the Roots of Powers. Alfo new and eafy geometrical
Definitions of the Difference between the folid Content of the Cylinder
and Parallelopiped; proved by the Pen.

BY DANIEL FENNING.

A NEW EDITION.

to which is added,

A SUPPLEMENT:

Containing 38 felect Problems, with their Solutions, which not only
illuftrate the Method of expunging feveral unknown Quantities, but
the Solutions of Equations of the higher Order; Method of infinite
Series; a choice Collection of Diophantine Problems, &c., &c.

By William Davis,

Author of the "Complete Treatife on Land Surveying,'

"Ufe of the

Globes," Editor of the "Gentleman's Mathematical Companion,"
and Member of the Mathematical and Philofophical Society.

LONDON:

PRINTED FOR W. RAYNES, PATERNOSTER ROW, AND

W. DAVIS.

1802.

Knight and Compton, Printers,
Middle Street, Cloth Fair.