Time Calc. Pro vs Aviation Dictionary

A calculator that adds and subtracts hours and minutes. You can see the calculation history. You can change the key layout to look like a computer or a phone as you like. Since no advertisement is given, the history screen can be widened.

Aviation Dictionary is an educational and reference application created to collect and store all the most commonly used words and abbreviations in the aviation industry. It is designed to give pilots (both students and graduates), technicians, ATC , engineers and other related aviation specialist a quick reference to learn and remember all the vocabulary used in their day-to-day aviation life. FEATURES: -Works offline -Over 6000 words and abbreviations -Word/Abbreviation searching -Bookmarking -Font adjustment -Speak - Press the speak button to hear how the words sound (uses phones text-to-speech engine) -Share - You can share your favourite words & abbreviations with your friends -Find meanings of Abbreviations -Get more information on words via web search -Contribute - Send contributions straight to the developer. -Edit - Edit any incorrect information and send the edits to the developer EXTRA FEATURES: -Phonetic Alphabet - A list of all the NATO phonic characters and their respective Morse codes -Q-Codes - All the aeronautical service Q-codes and what they mean -Standard Phraseology - The standard words used in radio communications and what they mean -Aircraft Registration Prefixes - The registration prefixes painted on all aircraft for their respective country -Airlines - Information on over 100 international airlines -Airports - Information on over 2000 airports around the world -International Dialling Codes - List of countries with their cellphone country codes -Measures/Conversion Factors - The most commonly used measures in aviation with conversions to other units -V Speeds - Compilation of all V Speeds and their descriptions -Links - Links to aviation organisations, news, weather and discussion forums