You are downloading the GPS Calculator XAP file v220.127.116.11 for Windows Phone. GPS Calculator is a free and useful Travel app: Swiss army knife for GPS.Now with Compass, Trip Computer, Track recording, GPX, KML and HTML export, OneDrive integration and the Magnetic ... You can now download the offline XAP file to install & try it.
Download Locations for GPS Calculator 18.104.22.168 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline GPS Calculator XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.