The FIRST POWER of a Number-The Second Power, or Square, of a
Number-The Third Power, or Cube, of a Number, &c. (194).-The
Second Root, or Square Root, of a Number-The Third Root, or Cube
Root, of a Number-Any Power or Root of Unity (195).--A Power,
or a Root, of a Fraction, how obtained (196).—A Power, or a Root of
a Mixed Number, how obtained (197).-Perfect and Imperfect Powers
--A Square Number--A Cube Number-What an Imperfect Power,
and its Root, are sometimes called (198).-Exponents of Powers and
Roots-How a Root is sometimes otherwise denoted (199).
INVOLUTION How the Involution of a Number may always be effected
-How a higher Power of a given Number may otherwise be ob-
tained (200).
EVOLUTION-Only Roots for which Arithmetical Rules are usually given
(201).—Extracting the Square Root, in what it consists--Principles
on which the Rule depends (202).—To extract the Square Root of a
given Number (203).—What to be done in Extracting the Square
Root of Decimals-Why the last Period must be complete-Number
of Decimal Figures to be made in the Root-When an exact Root
cannot be found (204).-Application of Square Root (205).-Ex-
tracting the Cube Root, in what it consists-Principles on which
the Rule depends (206).--To extract the Cube Root of a given num-
ber (207).—What to be done in Extracting the Cube Root of Deci-