The United Nations Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families defines migrant worker as follows: The term migrant worker refers to a person who is engaged or has been engaged in a remunerated activity in a State of which he or she is not a national.
A mathematical expression can be as simple as 2 + 4 or as complex as -4xy + 8 x - 5(x/y). All mathematical expressions contain terms and each term has a coefficient, the numerical factor.
Expressions and Operators. An expression is a statement that can convey a value. Some of the most common expressions are mathematical, such as in the following source code example: int x = 3; int y = x; int z = x * y; All three of these statements can be considered expressionsâthey convey values that can be assigned to variables.