Release history for Math-Calculator

1.023     2022-12-31 13:13:24-05:00 America/New_York
        - update packaging and metadata
        - minimum required Perl is now v5.12

1.022     2013-09-28 21:45:13 America/New_York
          update packaging (for future updates for future teaching toolness)

1.021     2006-11-10
          packaging and formatting changes

1.02      2005-03-05 22:00
          added divmod, quorem methods
          added _op_n (tentative)
          100% test coverage
