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" RULE. 1. Separate the given number into periods of three figures each, beginning at the units place. "
Arithmetic. [With] Key - Página 188
por Robert Goodacre - 1839
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A New Introduction to the Science of Algebra...

Silas Totten - 1836 - 304 páginas
...0,6454. 4. What is the square root of 17£ ? Ans. 4,166333. EXTRACTION OF THE CUBE ROOT. . RULE. (57.) Divide the given number into periods of three figures each, beginning at the right ; and if there be decimals, point off the decimals in a contrary direction from the decimal point ;...
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A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1837 - 256 páginas
...understood. From the foregoing example and illustration we derive the following ^ RULE. I. Distinguish the given number into periods of three figures each, beginning at the right hand. II. Find the greatest cube in the left hand period, and place its root as a quotient in division. III....
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The Common School Arithmetic ...: To which is Added a Dictionary of ...

Peirpont Edward Bates Botham - 1837 - 238 páginas
...quantity is placed in an exact cube. To ascertain the number of figures in a cube root, we point off the given number, into periods of three figures each, beginning at the right, and there will be as many figures in the required root as there are periods. To facilitate the extraction...
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Elements of Algebra

1838 - 358 páginas
...to within unity. Hence, for the extraction of the cube root we have the following RULE. I. Separate the given number into periods of three figures each, beginning at the right hand : the left hand period icill ofien contain less than three places of figures. II. Seek the greatest...
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The Western Practical Arithmetic: Wherein the Rules are Illustrated, and ...

1838 - 204 páginas
...being multiplied into its square, will produce the number whose cube root is extracted. KUI.E. Separate the given number into periods of three figures each, beginning at the units place. Find the greatest cube in the left hand period, and set its root in the quotient; subtract...
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The Western Calculator, Or, A New and Compendious System of Practical ...

Joseph Stockton - 1839 - 203 páginas
...which will equal the given number. Thus 4 is the cube root of 64 ; for 4 X 4 X 4=64. RULE. 1. Point off the given number into periods of three figures each, beginning at the units place,.or decimal point. These periods will show the number of figures contained in the required...
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The North American Arithmetic: For Advanced Scholars. part third, Parte3

Frederick Emerson - 1839 - 288 páginas
...analysis explains the following rule for the extraction of the cube root. RULE. First — Point off the given number into periods of three figures each, beginning at the unit's place, and pointing to the left in integers, and to the right in decimals; making full periods...
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A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1841 - 312 páginas
...From the foregoing exam- FIG. IV. pie and illustration we-derive the following RULE.1 I. Distinguish the given number into periods of three figures each, beginning' at the right hand. II. Find the greatest cube ° in the left hand period, and place its root as a quotient in division....
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Elements of Algebra

Charles Davies - 1842 - 358 páginas
...to within unity. Hence, for the extraction of the cube root we have the following RULE. I. Separate the given number into •periods of three figures each, beginning at the right hand: the left hand period will often contain less than three places of figures. mainder bring down the first...
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The practical arithmetic

John Darby (teacher of mathematics.) - 1843
...cube root of 1728 is 12 ; for 12 X 12 X 12 = 1728To find the cube root of any given numberRULE — Divide the given number into periods of three figures each, beginning at the units figure ; as in the square root- If the number contain a decimal, the period must be made complete...
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