Wall calendar 2013 is a 12 month calendar with large dates printed one month on each page. The online calendar is free printable calendar. Calendar 2013 pdf is also free.
The fonts are large and bold to enhance readability. If you need any changes to the calendars you can edit the calendar document.
Download 2013 calendar 12 months on one page:
Preview of 2013 printable calendar (large wall calendar):