Beginning Programming All-in-One For Dummies
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In computer programming, four basic ways are used to manipulate numbers: adding, subtracting, multiplying, and dividing. To perform a mathematical operation with two numbers (or two numbers represented by variables), use these symbols in your computer program:

Mathematical Operation Symbol to Use
Addition +
Subtraction -
Division / (forward slash)
Integer division (backward slash)
Modulo mod
Multiplication *
Exponentiation ^

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