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3.8. Arithmetic

Most apps perform arithmetic calculations. The arithmetic operators are summarized in Fig. 3.18. Note the various special symbols not used in algebra. The asterisk (*) indicates multiplication, and the percent sign (%) is the remainder operator (called modulus in some languages), which we’ll discuss shortly. The arithmetic operators in Fig. 3.18 are binary operators—for example, the expression f + 7 contains the binary operator + and the two operands f and 7. Fig. 3.18. Arithmetic operators.

If both operands of the division operator (/) are integers, integer division is performed and the result is an integer—for example, the expression ...

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