Each of the three broad type classes has its own set of intrinsic (in-built) operators, for example, +, // and .AND.,
The following are valid expressions,
a+6*g(i)/5.0-(a**2) ! numeric valued name//" is a wally" ! character valued lhs .GT. rhs ! logical valued
Expressions can be used in many contexts and can be of any intrinsic type.
For more information, click here