Using Route Functions on Your Chartplotter or Charting App

Have a new chartplotter or charting app on your smartphone or tablet and not sure what you can do with it besides look at your boat on the screen? Here's an article that explains the basics of how to use waypoints and routing functions. These are great tools for planning ahead as well as navigating underway. (Though it's always still a good idea to keep paper charts aboard and know how to use dividers and parallel rules!)