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5. All numbers are expressed by the following ten
characters or figures, either singly or in combination,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, read, nought or cypher, one,
two, three, four, five, six, seven, eight, nine.

6. When any one of these figures stands by itself, it has

what is called its simple value, which never varies. When

two or more figures are used to express a number, all

except that in the units' place (to the right of the other

figures), have what is termed a local value, which varies

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