ANSI standard available characters for use with Fortran 90.  Note:  Fortran is case insensitive.

Available Characters:

0,...,9    A,...,Z    a,...,z    '    "    (    )    *    +    -        =     /
blank    :    !    &    $    ;    <    >    %    ?    ,    .
 

ANSI Character Codes
 
 

ASCII Character Codes