An ExpertGPS user asks: "How do I find the center of the triangle created by three waypoints from my Garmin GPSMAP 60CSx?" The Average Waypoint command in ExpertGPS makes this easy.

JC wants to send polygon shapefiles from ArcMap to his Garmin Oregon 400t so he can conduct a field survey and mark changes on his GPS. ExpertGPS Pro will allow him to transfer shapefiles to his Garmin GPS, make changes in the field, and update his GIS database when he gets back to the office.

Harvey wants to geotag photos using a Garmin eTrex Vista H and a Nikon D80 digital camera. ExpertGPS will let him write GPS position data (latitude, longitude) back into the EXIF metadata stored in the JPEG files from his camera. And, he'll be able to tag his photos with keywords, a description, and other details using the EXIF editor in ExpertGPS.

Al S. needs to overlay 1KM grid over topo maps, and be able to read out and enter coordinates in US National Grid (USNG) format. Here's how to work with USNG in ExpertGPS.

Interested in old maps or historical topo sheets? You can use ExpertGPS to display old topo maps and compare them against modern topos and aerial imagery.

How do you get a POI for your business listed on Garmin, TomTom, and other GPS receivers? This is a question small-business owners ask all the time. Here's how to get your business POI added to Garmin GPS receivers and others.

Jim D. needs to convert XY coordinates from New Mexico's state plane coordinate system into something he can send to his Garmin GPS. Dan Foster shows how to transfer State Plane Coordinates to a GPS using ExpertGPS Pro.

Dawee M. writes: "I am looking at your programme ExpertGPS. Can the programme convert a kmz file from Google Earth to a shp file to use in GIS?" Dan Foster shows how to convert KML and KMZ placemarks and lines into shapefiles using ExpertGPS Pro.

Bill G. writes: "I see that I can enter my hunting areas with expert GPS and did see some farm capabilities. How easy is it to put fence lines and gates on the maps? Can I pull in a Google Earth image and draw directly on that?" Dan Foster explains how to convert latitude and longitude into state plane coordinates using ExpertGPS Pro.

John writes: "I need a tool to convert coordinates in NAD83 decimal degrees to NJ State Plane coordinates." Dan Foster explains how to convert latitude and longitude into state plane coordinates using ExpertGPS Pro.