Arithmetic expression:

An expression that represents a numeric value is called an Arithmetic Expression.  So, an arithmetic expression is one which is evaluated by performing a sequence of arithmetic operations to obtain a numeric value, which replaces the expression.

Examples:

                3.14159

                K

                (A+B)*(C+D)

                -1.0/X + Y/Z**2

                2.0 * 3.14159*RADIUS

Restrictions:

                Two operators cannot be written consecutively.

Example:

                A*-B is illegal because (*) and (-) are two different operators. The second factor must be made into an expression by using

parentheses, viz: A*(-B).