DAY$
====

Function
--------

**DAY$** returns a three character string, it may also be used for
setting the correct day.

Syntax
------

DAY$ [="MON"]

Examples
--------

::

    DAY$="MON"

will set DAY$ to MON

::

   100 PRINT DAY$

will output:

::

   Mon

Remarks
-------

The day string may be input in upper or lower case.

Acceptable days are:

-  MON
-  TUE
-  WED
-  THU
-  FRI
-  SAT
-  SUN

DAY$ always outputs the day with one upper case and two lower case.