Learn Morse code with flashcards, listing guide, and multiple-choice quiz. Includes content for the alphabet, numbers, and special characters such as comma, question mark, & more.* Track quiz top score* Text message quiz to a friend* Record incorrect answers to email* Learn to communicate in secret with Morse codekeywords: morse code translation, learn morse code, sos morse code, cryptography, encription, message encryption, encrypted, types of encryption