...and во он. From the preceding example and illustrations we derive the following KUbE. I. 2>ivide the given number into periods of three figures each, by- placing a point over the unit figure, and every third figure from the place of units to tke lvft t in whole numbers,...

...UM» and so on. From tlie preceding example and illustrations we derive the following RULE. I. Divide the given number into periods of three figures each, by placing a point over the umt figure, and every third figure from the place of units to the left, in whole numbers,...

...is, I think, much more concise than any hitherto published. Rule for extracting the Cube Root. Divide the given number into periods, of three figures each, by placing a dot over units, another over thousands, and so on. Towards the left hand of the number, write column 1 and column...

...cube root of 8 ; for, 2 x 2 x 2 — 8 : and 3 is the cube root of 27 ; for, 3 x 3 x 3 =27. CASE t. § 185. To extract the cube root of a whole number. RULE....the left hand period will often contain less than three places of figures. II. Seek the greatest cube in the first period, and set its root on the right...

...or, what is the same in effect, by cubing one of these dimensions. ' . » v ' RULE 1st.—Separate the given number into periods of three figures each, by placing a point first over the unit figure, and advancing toward the left when the number consists of integers...

...thousands, and •o on. From the preceding example and illustrations we derive the followiag RULE. Divide the given number into periods of three figures each, by placing a point over the unit figure, and every third figure from the place of units to the left, in whole numbers,...

...periods will equal the number of figures in its root. Hence the direction in the rule. RULE. 13. Divide the given number into periods of three figures each, by placing a point over the unit figure, and over every third one from the place of units to the left in whole numbers,...

...number into periods of three fgures each, by placing a dot over llie place of units, a second over tlte place of thousands, and so on to the left. : the left, hand •period will often contain less than three places of figures. II. Seek the greatest cube in the ßrst period, and set its root on the, right...

...to the remainder bring down the first figure of the next period, and call the number the dividend. I. Point off" the given number into periods of three figures each) by placing a dot over ihe place of units, a second over the place of thousands, and so on to the left : Ihe left hand period...

...18 still too large—but when we take 6 we find the exact number. Hence the cube root of 4096 is 16. CASE I. § 18«5- To extract the cube root of a whole number. HUI.fi. I. Point off the given number into periods of three figures each, by placing a dot over the...