Updated to API level 35.

•	Simpler, more flexible user interface
•	Fields can be entered in any sequence
•	Declination entered as negative if South, positive if North
•	New ° key converts minutes to degrees
•	Minus key flips the sign of degrees fields
•	Approved for use in United States Power Squadrons® courses
•	v 2.0 is a complete rewrite in SwiftUI
•	Supports Dark Mode

This update from Apple will improve the functionality of this app. No new features are included.

Adjusted flipside command bar for iPhone X.

Fixes rounding of Zn when Z = nnn.5

Fixes an error in the calculation of azimuth (Zn).  Southern latitude must now be entered as a negative number.

Now works on iOS10; calculates azimuth (Zn) as well as azimuth angle (Z).  Added CE (Clear Entry) key.

Launch image for 4" retina displays.