...elementary operations. This superiority of the decimal system is derived from the conventions, That ten units of any order make one unit of the next higher order ; And that the different orders of units ascend regularly from right to left. 294. The knowledge of...

...DUODECIMALS. ART. 164. A Duodecimal (Latin duodecim, twelve) is a number whose scale is 12 ; hence, 12 units of any order make one unit of the next higher order. This system of numbers is used by artificers in finding the contents of surfaces and solids. For this...

...its value? make one ten, ten tens make one hundred, ten hundreds make one thousand, and, in short, ten units of any order make one unit of the next higher order. 16. The cipher, when used with other figures, fills a place that would otherwise be vacant; thus, in...

...its vniu«' make one ten, ten tens make one hundred, ten hundreds make one thousand, and, in short, ten units of any order make one unit of the next higher order. 16. The cipher, when used with other figures, fills a place that would otherwise be vacant ; thus,...

...ten units of the second, one of the third. Invariably, leu units of any order make one unit of tJie next higher order. NOTE. — When units are named,...the first nine orders is learned from the Table of Oi-ders. REVIEW. — G. With what three orders may tho numbers between one and one thousand be expressed...

...first order make one ten, ten tens make one hundred, ten hundreds make one thousand, and, in short, ten units of any order make one unit of the next higher order. 19. The cipher, when used with other figures, fills a place that would otherwise be vacant ; thus,...

...Ten units make one ten, ten tens make one hundred, ten hundreds make one thousand ; and, generally, ten units of any order make one unit of the next higher order. NOTE. — The teacher can make this principle plain by means of the illustration given on page 9. It is easily...

...unit of the second order, ten units of the second order make one unit of the third, and, generally, ten units of any order make one unit of the next higher order. Hence, 2. The value of the successive orders of figures increases tenfold from right to left. 3. The...

...Which has no numerical value? What is meant hy orders of units? How are the orders numbered ? How many units of any order make one unit of the next higher order? What is meant by the simple value of a figure? On what does the local value of a figure depend ? What...

...in Roman notation, to be read as a class-exercise. 13. Observe, that, in the Arabic notation, — 1. Ten units of any order make one unit of the next higher order. 2. A digit in any place has a value ten times as large as that of the same digit one place to the right...