Changes

*Any decimal representation which terminates (comes to an end), like 6.023, because this is just a way of writing a fraction (in this case, 6023/1000)

*Any decimal representation which terminates (comes to an end), like 6.023, because this is just a way of writing a fraction (in this case, 6023/1000)

*Any decimal representation which repeats or recurs, like 1.86292929292929..., because these can be shown to be fractions

*Any decimal representation which repeats or recurs, like 1.86292929292929..., because these can be shown to be fractions

*Irrational numbers, like &sqrt;10 = 3.162277660168... π = 3.1415926525..., whose decimal representations never repeat or terminate.

*[[Irrational numbers]], like &sqrt;10 = 3.162277660168... π = 3.1415926525..., whose decimal representations never repeat or terminate.

==Formal definition==

==Formal definition==