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FORTRAN CHARACTER SET
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CHARACTER     MEANING                  |CHARACTER     MEANING
---------------------------------------+------------------------------------
0,...,9       digits                   |:             colon         
A,...,Z       uppercase letters        |=             equal sign
a,...,z       lowercase letters        |!             exclamation mark
'             apostophe (single quote) |&             ampersand
"             double quote             |$             dolar sign
(             left paranthesis         |;             semicolon
)             right paranthesis        |<             less than
*             asterisk                 |>             grater than
+             plus sign                |%             percent symbol
-             minus sign               |?             question mark
/             slash                    |,             comma
blank         balnk or space           |.             point
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