 | Calvin Tracy - Arithmetic - 1845 - 298 pages
...finding, from a given number, another number, whose cube or third power shall equal that number. . — 1. 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... | |
 | Benjamin Greenleaf - Arithmetic - 1846 - 206 pages
...Square of 7 multiplied by 3 times 20 = 2940 Cube of 7 = 343 Proof. = 19683 Hence the following RULE. 1. Separate the given number into periods of three...every third figure beyond the place of units. 2. Find by the table the greatest cube in the left hand •period, and put its root in the quotient. 3. Subtract... | |
 | Benjamin Greenleaf - Arithmetic - 1847 - 232 pages
...Hence the following RULE. 1. Separate the given number into periods of three fgures each, by pulling a point over the unit figure, and every third figure beyond the place of units. 2. Find by the table the greatest cube in the left hand period, and put its root in the quotient. 3. Subtract... | |
 | Benjamin Greenleaf - Arithmetic - 1847 - 336 pages
...root, is to find a number, which, multiplied into its square, will produce the given number. RULE. 1 . Separate the given number into periods of three figures each, by pulling a point over the unit jigure, and every third figure beyond the place of units. 2. Find by... | |
 | Benjamin Greenleaf - Arithmetic - 1848 - 204 pages
...Cube of 7 =343 Hence the following RULE. 1. Separate the given number into periods of three fgures each, by putting a point over the unit figure, and every third figure beyond the place of units, 3. Subtract the cube, thus found, from this period, and to the remainder bring down the next period;... | |
 | Nathan Daboll, David Austin Daboll - Arithmetic - 1849 - 260 pages
...thick, is 2X2X2 = 8 cubic feet. Hence the cube root of 8 is 2, because 23, that is, 2X2X2=8. RULE. I. Separate the given number into periods of three figures...point over the unit figure, and every third figure from the place of units, towards the left, and if there be decimals, point them from the unit's place... | |
 | Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...the several parts of Fig. 4. Thus, 8000 + 7200 -42160 -j- 216 = 17576. Hence the following RULE. — 1. Separate the given number into periods of three figures each, by placing a point over the unit figure, and every third figure beyond the place of units. 2. Find by... | |
 | Rufus Putnam - Arithmetic - 1849 - 276 pages
...which being multiplied by 8, gives the product 13952. Hence the RULE TOR EXTRACTING THE CUBE ROOT. 1 . Separate the given number into periods of three figures each, by placing a dot over every third figure, beginning at units ; thus, 31486.100846. (What will the dots... | |
 | Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...and at least but two less. We therefore separate the given number into periods of three figures each, putting a point over the unit figure, and every third figure beyond the place of units ; thus, 46,656. We find by the table of powers, or by trial, the greatest power in the left-hand period,... | |
 | John Bonnycastle - 1851 - 314 pages
...3-162277 $c. (11.) Required the squareroot of -00032754. Ans. -01809 $c. extraction of toe Cube RULE 1.* 1. Separate the given number into periods of three figures each, by putting a point over, every third figure from the place of units, towards the left-hand in integers, and to the right-hand... | |
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RULE. •f- 1 . Separate the given number into periods of three figures each, by putting a point over the unit figure, and every third figure beyond the place of units. 2. Find the greatest cube in the left hand period, and put its root in the quotient.... 
