[naturelle progressioun], [45/22]; the series of numbers 1, 2, 3, etc.
[produccioun], multiplication, [50/11].
[quadrat nombre], [46/12]; a number formed by multiplying a given number by itself, e.g. 9 = 3 × 3, a square.
[rote], [7/25]; roote, [47/11]; root. The roots of squares and cubes are the numbers from which the squares and cubes are derived by multiplication into themselves.
[significatyf], significant, [5/14]; The significant figures of a number are, strictly speaking, those other than zero, e.g. in 3 6 5 0 4 0 0, the significant figures are 3, 6, 5, 4. Modern usage, however, regards all figures between the two extreme significant figures as significant, even when some are zero. Thus, in the above example, 3 6 5 0 4 are considered significant.
[solide nombre], [46/37]; a number which is the product of three other numbers, e.g. 66 = 11 × 2 × 3.
[superficial nombre], [46/18]; a number which is the product of two other numbers, e.g. 6 = 2 × 3.
[ternary], consisting of three digits, [51/7].
[vnder double], a digit which has been doubled, [48/3].
[vnder-trebille], a digit which has been trebled, [49/28]; vnder-triplat, [49/39].