Syntax

EVALuate (<evaluate-statement>)

is a control statement.

<evaluate-statement>:==

<symbol> = <operation>

<operation>:==

<vflc> [<op> <operation> ]

<op>:==

+

denotes addition or concatenation for strings.

-

denotes subtraction or unary minus or negative concatenation for strings.

denotes multiplication.

denotes division.

^

denotes exponentiation.

denotes exponentiation (same as ^ ).

<vflc>:==

<function>|<symbol>|<real>|<integer>|<string> deals with the fact that the data types of the operations and operands have to match; otherwise an error message is issued. The available functions, such as SIN, COS, and TAN, are defined in Section 2.16.