arithmetic operators: + - * / %
relational operators < <= == > >=
operators apply to corresponding elements
<![CDATA[
intVector A(10), B(10), C(10);
booleanVector result(10);
. . .
A = B * 4 - C / 3;
. . .
result = (B*B - 4 * A * C >= 0);
]]>
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