The five arithmetical operations supported by the C++ language are:
Operations of addition, subtraction, multiplication and division literally correspond with their respective
mathematical operators. The only one that you might not be so used to see is modulo; whose operator is the
percentage sign (%). Modulo is the operation that gives the remainder of a division of two values. For example, if
we write:
the variable a will contain the value 2, since 2is the remainder from dividing 11between 3.
Compound assignment (+=, -=, *=, /=, %=, >>=, <<=, &=, ^=, |=)
When we want to modify the value of a variable by performing an operation on the value currently stored in that
variable we can use compound assignment operators:
and the same for all other operators. For example:
Operations of addition, subtraction, multiplication and division literally correspond with their respective
mathematical operators. The only one that you might not be so used to see is modulo; whose operator is the
percentage sign (%). Modulo is the operation that gives the remainder of a division of two values. For example, if
we write:
the variable a will contain the value 2, since 2is the remainder from dividing 11between 3.
Compound assignment (+=, -=, *=, /=, %=, >>=, <<=, &=, ^=, |=)
When we want to modify the value of a variable by performing an operation on the value currently stored in that
variable we can use compound assignment operators:
and the same for all other operators. For example:
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