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Continue to ChatAppInventor as a tool for applied Mathematics: GPS and coordinate transformations https://www.klocker-mark.eu/appinventor-as-a-tool-for-applied-mathematics-gps-and-coordinate-transformations/
AppInventor as a tool for applied Mathematics: GPS and coordinate transformations https://www.klocker-mark.eu/appinventor-as-a-tool-for-applied-mathematics-gps-and-coordinate-transformations/