1. The MGRS coordinate system can now operate with all datums.
2. The United States National Grid (USNG) functions with WGS84 and NAD83.

Upgrade the app to Swift, modernize the user interface, and ensure it is deployable on iOS 18.2 and later.

make all datums available to MGRS coordinate system

Support New Zealand Transverse Mercator 2000 (NZTM2000)
Support MGA zone 50 and 51
Support US Survey Foot for the distance calculation
Allows the user to restore the transaction of the previous in-App purchase.

Convert coordinates to and from Swiss Grid CH1903
Calculate distance and bearing using Swiss Grid CH1903
Bug fixes

Fix error encountered when upgrading to iOS 5.

1. Able to use the current location as the input of distance calculation and coordinates conversion
2. Calculate initial and final bearing between two locations
3. Add map for distance view
4. Add Georef (World Geographic Reference System)
5. Add Nautical Miles as the distance measurement
6. UI improvement

Add Distance Calculation
Add New Zealand Map Grid (NZMG) for NZGD49 Datum
Increase Latitude and Longitude to Five Decimal Places
Add Keyboard Input
Improved UI and Usability
Bug Fixes

Add MGA Map Projection for GDA94 Datum Used in Australia
Increase UTM Input and Output to Three Decimal Places
New User Interface for iPad
Bug fixes

Add MGA Map Projection for GDA94 Datum Used in Australia
Increase UTM Input and Output to Three Decimal Places
New User Interface for iPad
Bug fixes for iPod touch and iOS3.1

Add MGA Map Projection for GDA94 Datum Used in Australia
Increase UTM Input and Output to Three Decimal Places
New User Interface for iPad

Add British National Grid for Datum "Ordnance GB 1936"
Add Singapore TM SVY21 for Datum "SVY21"
Bug Fixing

Add Australian GDA94 datum
Bug fixing initial values for the pick wheel input
Add a leading zero to UTM Easting value

Bug fixes for EGSA87 Datum

Support Greece Datum EGSA87
Add Map Button to Show the Coordinate Location
The Initial Location is Default to the Last Use

Support Degrees and Decimal Minutes Format
Defaults to Settings From Last Use
Minor Bug Fixes

In app purchases now enabled for 230 datums such as NAD27, Europe 1950, and others.

Minor bug fixes.

Minor Bug Fixes