Minor improvements (iOS / watchOS / iPadOS / MacOS)

• Added thousand separators (if activated in Settings) to input text fields, improved text validation • Apple Watch app update: Added buttons to browse numbers, improved text validation

• Added requested ability to conveniently browse numbers by adding new buttons to Prime Check • Improved user input validation and user guidance with a Quick Help and controlled availability of UI elements • Minor improvements in all areas

• Minor Dark Mode improvements • Hardware keyboard support (see updated Help topic on that subject)

• Dark Mode support (if enabled in your device's display settings; iOS 13 or newer is required) - finally you can crack prime numbers in the dark! • Minor UI tweaks • MacOS version (Catalina 10.15) added

• Updated segment controls to match latest iOS • Bug fixes: Some settings were not properly stored, and appearance in dark mode didn't work properly • Minor text tweaks

• Added enumerated prime factor result options in response to user request • Added non-exponential prime factor result option • Re-organized settings, options that may have performance impact are now marked in yellow • Expanded the ability to cancel calculations and output of very large prime numbers and ranges • Minor user interface improvements in all areas

• Added enumerated results options in response to user request • Minor tweaks in all areas

New: • Added Privacy Policy link (More > About...) Improved: • Improved status message for larger range checks • Fixed a bug which affected 64 bit only

• Changed Range Check output option control to match that of Prime Check for a more consistent user experience

• Added Twin Prime feature as per user request • Minor improvements in all areas

• Fixed error affecting displayed result numbers greater than 2^54 • Improved parsing for entered or pasted invalid characters • New setting for thousands separators • Help updated • iPhone X adjustments

iOS: Minor bug fixes and improvements in all areas

- iOS: New features and improvements - Prime factors - Product grouping option for "All factors" - Check on primes in ranges of numbers - Settings and Help - Longer calculations can now be cancelled - watchOS: No changes

- Added watchOS app (prime status only, i.e. no divisor details) - iOS: Improved visibility of small "x" text field clear button

Minor improvements: - Activated clear button on the input text field (little x in circle on right end) - On older 32-bit devices: error string about maximum number was misleading and is now correct - Leading zeros in entered number will now be removed