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77: Mainline

So far, you have learned about arithmetic operators, +, -, *, /, and %, and the assignment operator, =. In general, an operator is a symbol, or combination of symbols, that is treated by the compiler in a special way.

Most operators are special in that they receive arguments via flanking operands, rather than via the parenthesized argument lists used by ordinary functions. For example, the conditional operator, about which you learn in the hardcopy version of this book, is special in that it evaluates some arguments, but not others.