Hide the mini Calendar on the right

Yes – you can do this dynamically by adding “&hide_nav=1” to the URL of your calendar (this gives you the ability to leave the choice up to your user):

http://www.sosimplesoftware.com/products/calendar-documentation/calendar-builder-reference/adjusting-your-calendar/url-adjustable-interface-settings/

Or you can make this part of your calendar setting by changing this in the soSIMPLE Calendar Settings > Layout section.

http://www.sosimplesoftware.com/products/calendar-documentation/calendar-builder-reference/layout-setup/