Pilot Calculator App:
https://apps.apple.com/ca/app/atpl-practice-canada/id6476780992
https://play.google.com/store/apps/details?id=com.MS.ATPLCanada
https://github.com/MarioMarioS/Pilot-Flight-Computer-Public/blob/fcde9bf34f20bbe17b9d8809fcb2e0373462d0d1/Pilot%20Flight%20Computer.cs