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One reason for
the power of C is its wide range of useful operators. An operator is a
function which is applied to values to give a result. You should be familiar
with operators such as +, -, /.
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Arithmetic
operators are the most common. Other operators are used for comparison of
values, combination of logical states, and manipulation of individual binary
digits. The binary operators are rather low level for the brief of this
course, so are not covered here.
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Operators and
values are combined to form expressions. The values produced by these
expressions can be stored in variables, or used as a part of even larger
expressions.
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