Of course, Unicode includes a vast collection of signs and symbols. We'll examine these characters in two separate sections. This section deals with those symbols that are used with numbers or in mathematical expressions.

Many of the cultures that use Arabic positional notation employ punctuation marks in numerals. For example, Americans use the period to separate the integral part of the number from the fractional part of the number; in large numbers, we use a comma every three digits to help make the numeral easier to read. Many other cultures also use punctuation marks for these purposes, but they rely on different punctuation marks. In much of Europe, for example, a comma is used as the decimal-point ...

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