The convention of placing the operator between the operands is
the mathematical notation that the reader is most
likely familiar with from school and everyday life.
As in mathematics, operator combinations can
be nested, that is, they
can take arguments that themselves are operator combinations:
As usual, parentheses are used to group operator combinations
conventions when parentheses are omitted;
multiplication and division
bind stronger than
addition and subtraction.
We say that *
have higher precedence
additions and subtractions are read from left to right, as are
sequences of multiplications and divisions. Thus,
We say that the operators